Article(id=1240709668067135732, tenantId=1146029695717560320, journalId=1205117023404326918, issueId=1240709662501294254, articleNumber=null, orderNo=null, doi=10.16155/j.0254-1793.2024-1266, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1731254400000, receivedDateStr=2024-11-11, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773737836137, onlineDateStr=2026-03-17, pubDate=1743350400000, pubDateStr=2025-03-31, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773737836137, onlineIssueDateStr=2026-03-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773737836137, creator=13701087609, updateTime=1773737836137, updator=13701087609, issue=Issue{id=1240709662501294254, tenantId=1146029695717560320, journalId=1205117023404326918, year='2025', volume='45', issue='3', pageStart='361', pageEnd='542', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1773737834810, creator=13701087609, updateTime=1773737909503, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1240709975845163177, tenantId=1146029695717560320, journalId=1205117023404326918, issueId=1240709662501294254, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1240709975845163178, tenantId=1146029695717560320, journalId=1205117023404326918, issueId=1240709662501294254, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=460, endPage=474, ext={EN=ArticleExt(id=1240709668469788927, articleId=1240709668067135732, tenantId=1146029695717560320, journalId=1205117023404326918, language=EN, title=Primary structure characterization of the active national standard candidate of infliximab
*, columnId=1206272756979659107, journalTitle=Chinese Journal of Pharmaceutical Analysis, columnName=Bioassay, runingTitle=null, highlight=null, articleAbstract=
Objective: To characterize the primary structure of the active national standard candidate of infliximab to provide a technical basis for this monoclonal antibody. Methods: The complete relative molecular mass and the relative molecular masses of the light and heavy chain subunits of the active national standard candidate of infliximab were detected based on ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS). The relative molecular masses of the light and heavy chain subunits of the active national standard candidate of infliximab were analyzed by UPLC-MS/MS. UPLC-MS/MS was used to analyze the sequence coverage,glycosylation sites and disulfide bond localization of infliximab activity candidate national standard products. Results: The complete relative molecular mass of infliximab was 148 515. The relative masses of its light and heavy chain subunits were 23 435 and 50 827 respectively. The sequence coverage of infliximab was 100% for light chain and 100% for heavy chain. The glycosylation sites of infliximab were analyzed by UPLC-MS/MS; and the disulfide bonds were localized. The glycosylation site of the monoclonal antibody candidate was located at N300 of the heavy chain; there were 16 pairs of disulfide bonds, 4 pairs within each of the two heavy chains, 2 pairs between chains,2 pairs within each of the 2 light chains, and 1 pair between each of the two groups of light and heavy chains. Conclusion: The primary structural confirmation of the national standard candidate of infliximab monoclonal antibody activity provides a technical guarantee for the establishment of the monoclonal antibody standard substance, the standardization of analytical methods and the control of product quality.
, correspAuthors=Chuan-Fei YU, Lan WANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Wei-yu LI, Jia-ling ZHANG, Meng LI, Xiao-juan YU, Gang WU, Chuan-Fei YU, Lan WANG), CN=ArticleExt(id=1240709672039141741, articleId=1240709668067135732, tenantId=1146029695717560320, journalId=1205117023404326918, language=CN, title=英夫利西单抗活性候选国家标准品的一级结构表征
*, columnId=1206272757600416118, journalTitle=药物分析杂志, columnName=生物检定, runingTitle=null, highlight=null, articleAbstract=
目的:对英夫利西单抗活性候选国家标准品进行一级结构表征,为该单抗的后续研究提供技术依据。方法:基于超高效液相色谱-串联质谱(ultra-performance liquid chromatography-tandem mass spectrometry,UPLC-MS)对英夫利西单抗活性候选国家标准品的完整相对分子质量、轻重链亚基相对分子质量进行检测;使用UPLC-MS/MS对英夫利西单抗活性候选国家标准品的序列覆盖率、糖基化位点及二硫键进行分析。结果:英夫利西单抗活性候选国家标准品的完整相对分子质量为148 515;轻链相对分子质量23 435、重链相对分子质量50 827;英夫利西单抗活性候选国家标准品轻链序列覆盖率100%、重链序列覆盖率100%;该单抗活性候选标准品糖基化位点位于重链N300;共有16对二硫键,2条重链链内各4对,链间2对,2条轻链链内各2对,2组轻重链间各1对。结论:对英夫利西单抗活性候选国家标准品进行一级结构确证,为后续该单抗标准物质的建立和分析方法的标准化及产品质量控制提供技术保障。
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*国家药品标准制修订研究课题“注射用英夫利西单抗国家标准建立”(2023S004), fundOrder=null, country=null), Fund(id=1240722377479344791, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, awardId=GJJS-2022-5-3, language=CN, fundingSource=中检院关键技术研究基金(GJJS-2022-5-3), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1240722370193838317, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, xref=null, ext=[AuthorCompanyExt(id=1240722370210615534, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, companyId=1240722370193838317, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=National Institutes for Food and Drug Control, State Key Laboratory of Drug Regulatory Science, NHC Key Laboratory of Research on Quality and Standardization of Biotech Products, NMPA Key Laboratory for Quality Research and Evaluation of Biological Products, Beijing 102629, China), AuthorCompanyExt(id=1240722370315473138, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, companyId=1240722370193838317, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=中国食品药品检定研究院,药品监管科学全国重点实验室,国家卫生健康委员会生物技术产品检定方法及其标准化重点实验室,国家药品监督管理局生物制品质量研究与评价重点实验室,北京 102629)])], figs=[ArticleFig(id=1240722373985489379, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Fig. 1, caption=
Deconvolutional continuum mass spectrometry of the intact protein of the infliximab standard candidate, figureFileSmall=+xsUPOf+B7NWQsAkZaMxQg==, figureFileBig=Y5FD+ESxBhOFgN7tLl27aA==, tableContent=null), ArticleFig(id=1240722374073569770, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=图1, caption=
英夫利西单抗候选标准品完整蛋白去卷积连续质谱图, figureFileSmall=+xsUPOf+B7NWQsAkZaMxQg==, figureFileBig=Y5FD+ESxBhOFgN7tLl27aA==, tableContent=null), ArticleFig(id=1240722374199398896, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Fig. 2, caption=
Mass spectrometry of infliximab standard candidate after deconvolution, figureFileSmall=VT3ncmNV5kw8vKbpASxCtw==, figureFileBig=QmO7yvpfCMLp+rChhSXthg==, tableContent=null), ArticleFig(id=1240722374283284979, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=图2, caption=
英夫利西单抗候选标准品去卷积连续质谱图A:轻链 B:重链
, figureFileSmall=VT3ncmNV5kw8vKbpASxCtw==, figureFileBig=QmO7yvpfCMLp+rChhSXthg==, tableContent=null), ArticleFig(id=1240722374375559673, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Fig. 3, caption=
Secondary mass spectrometry of infliximab standard candidate, figureFileSmall=R6D8aTD/bwU/8gjc6nr0HA==, figureFileBig=JTM0tIA93WZat/CYOreCdA==, tableContent=null), ArticleFig(id=1240722374472028671, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=图3, caption=
英夫利西单抗候选标准品一级质谱覆盖率分析, figureFileSmall=R6D8aTD/bwU/8gjc6nr0HA==, figureFileBig=JTM0tIA93WZat/CYOreCdA==, tableContent=null), ArticleFig(id=1240722374568497668, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Fig. 4, caption=
Primary mass spectrometry and secondary fragmentation mass spectrometry of the light chain CDR, figureFileSmall=TdTHgKyNEqjLsYHG832EXw==, figureFileBig=QrCL5QLgFzBjP8OiKUQmVw==, tableContent=null), ArticleFig(id=1240722374690132492, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=图4, caption=
轻链CDR肽段一级质谱图与二级碎片质谱图, figureFileSmall=TdTHgKyNEqjLsYHG832EXw==, figureFileBig=QrCL5QLgFzBjP8OiKUQmVw==, tableContent=null), ArticleFig(id=1240722374799184399, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Fig. 5, caption=
Primary mass spectrometry and secondary fragmentation mass spectrometry of the heavy chain CDR, figureFileSmall=puw3EuXQDN1gWjAvdmbK4w==, figureFileBig=f1JVbTpVjyGVDvsZNXx1UA==, tableContent=null), ArticleFig(id=1240722374874681874, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=图5, caption=
重链CDR一级质谱图与二级碎片质谱图, figureFileSmall=puw3EuXQDN1gWjAvdmbK4w==, figureFileBig=f1JVbTpVjyGVDvsZNXx1UA==, tableContent=null), ArticleFig(id=1240722375008899609, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Fig. 6, caption=
Glycosylation sites of infliximab standard, figureFileSmall=/oo4kWZIvFUUkvSv41DblQ==, figureFileBig=jIE9jcUGgb8sorPqyxAyMw==, tableContent=null), ArticleFig(id=1240722375122145823, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=图6, caption=
英夫利西单抗标准品糖基化位点, figureFileSmall=/oo4kWZIvFUUkvSv41DblQ==, figureFileBig=jIE9jcUGgb8sorPqyxAyMw==, tableContent=null), ArticleFig(id=1240722375197643299, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Fig. 7, caption=
Analysis of N/C sites of infliximab standard candidate, figureFileSmall=jSbKyaG3tpBfYMwfrgdatw==, figureFileBig=U1x4oNq4QqvB+UGCvv679w==, tableContent=null), ArticleFig(id=1240722375310889515, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=图7, caption=
英夫利西单抗候选标准品N/C端位点分析A.轻链N端序列(light chain N-terminal) B.重链N端序列(heavy chain N-terminal) C.重链N端序列(含焦谷氨酸环化E)[heavy chain N- terminal (PyrE)]D.重链C端序列(heavy chain C-terminal) E.重链C端序列(含-K缺失)[heavy chain C-terminal(-K)] F.轻链C端序列(light chain C-terminal)
, figureFileSmall=jSbKyaG3tpBfYMwfrgdatw==, figureFileBig=U1x4oNq4QqvB+UGCvv679w==, tableContent=null), ArticleFig(id=1240722375407358512, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Tab. 1, caption=
Comparison of intact protein mass analysis of infliximab standard candidate
, figureFileSmall=null, figureFileBig=null, tableContent=
名称 (name) | 实测分子量 (measured molecular mass) | 理论分子量 (theoretical molecular mass) | 相对误差 (relative error) |
|---|
英夫利西候选标准品 (infliximab standard candidate ) | 148 515.16 | 148 511.79 | 22.7 |
), ArticleFig(id=1240722375499633206, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=表1, caption=
英夫利西单抗候选标准品完整蛋白分子量
, figureFileSmall=null, figureFileBig=null, tableContent=
名称 (name) | 实测分子量 (measured molecular mass) | 理论分子量 (theoretical molecular mass) | 相对误差 (relative error) |
|---|
英夫利西候选标准品 (infliximab standard candidate ) | 148 515.16 | 148 511.79 | 22.7 |
), ArticleFig(id=1240722375583519291, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Tab. 2, caption=
Molecular weight of light and heavy chain subunits of of infliximab standard candidate
, figureFileSmall=null, figureFileBig=null, tableContent=
| LC-MS精确分子量(precise molecular weight) | 理论分子量(theoretical molecular weight) | 相对误差(relative error) |
|---|
| 轻链(light chain) | 23 435.01 | 23 434.63 | 16.2 |
| 重链(heavy chain) | 50 827.34 | 50 825.30 | 40.1 |
), ArticleFig(id=1240722375688376895, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=表2, caption=
英夫利西单抗候选标准品轻重链亚基分子量
, figureFileSmall=null, figureFileBig=null, tableContent=
| LC-MS精确分子量(precise molecular weight) | 理论分子量(theoretical molecular weight) | 相对误差(relative error) |
|---|
| 轻链(light chain) | 23 435.01 | 23 434.63 | 16.2 |
| 重链(heavy chain) | 50 827.34 | 50 825.30 | 40.1 |
), ArticleFig(id=1240722375801623108, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Tab. 3, caption=
Heavy chain modification sites of infliximab standards candidate
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称(name) | 修饰(modification)/% |
|---|
| 重链(heavy chain) | -K | NGHC |
| 89.32 | 0.37 |
), ArticleFig(id=1240722375889703498, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=表3, caption=
英夫利西单抗候选标准品重链修饰类型及相对比例
, figureFileSmall=null, figureFileBig=null, tableContent=
| 名称(name) | 修饰(modification)/% |
|---|
| 重链(heavy chain) | -K | NGHC |
| 89.32 | 0.37 |
), ArticleFig(id=1240722375990366800, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Tab. 4, caption=
CDR of light chain
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| CDR1 | CDR2 | CDR3 |
|---|
| 序列(sequence) | QFVGSS | YAS | QQSHSWPFT |
| 肽段位点(peptide site) | L ∶ T3 | L ∶ T6 | L ∶ T7 |
| 水解片段(digested peptide) | ASQFVGSSIHWYQQR | YASESMSGIPSR | FSGSGSGTDFTLSINTVESEDIADYYCQQSHSWPFT FGSGTNLEVK |
| 预期质量(expected mass) | 1 793.872 | 1 284.589 | 5 066.259 |
| 观测质量(observed mass) | 1 793.877 | 1 284.587 | 5 066.282 |
| 检测值(observed)/(m/z) | 598.631 | 642.797 | 1 267.326 |
| 保留时间(retention time)/min | 37.22 | 25.04 | 64.96 |
), ArticleFig(id=1240722376082641492, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=表4, caption=
轻链CDR
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| CDR1 | CDR2 | CDR3 |
|---|
| 序列(sequence) | QFVGSS | YAS | QQSHSWPFT |
| 肽段位点(peptide site) | L ∶ T3 | L ∶ T6 | L ∶ T7 |
| 水解片段(digested peptide) | ASQFVGSSIHWYQQR | YASESMSGIPSR | FSGSGSGTDFTLSINTVESEDIADYYCQQSHSWPFT FGSGTNLEVK |
| 预期质量(expected mass) | 1 793.872 | 1 284.589 | 5 066.259 |
| 观测质量(observed mass) | 1 793.877 | 1 284.587 | 5 066.282 |
| 检测值(observed)/(m/z) | 598.631 | 642.797 | 1 267.326 |
| 保留时间(retention time)/min | 37.22 | 25.04 | 64.96 |
), ArticleFig(id=1240722376166527575, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Tab. 5, caption=
CDR region of heavy chain
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| CDR1 | CDR2 | CDR3 |
|---|
| 序列(sequence) | GFIFSNHW | IRSKSINSAT | RNYYGSTYDY |
| 肽段位点(peptide site) | H ∶ T3 | H ∶ T7 | H ∶ T13 |
| 水解片段(digested peptide) | LSCVASGFIFSNHWMNWVR | SINSATHYAESVK | NYYGSTYDYWGQGTTLTVSSASTK |
| 预期质量(expected mass)/Da | 2 311.090 | 1 406.691 | 2 650.194 |
| 观测质量(observed mass)/Da | 2 311.085 | 1 406.689 | 2 650.210 |
| 保留时间(retention time)/min | 61.50 | 23.03 | 44.23 |
), ArticleFig(id=1240722376262996575, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=表5, caption=
重链CDR区
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| CDR1 | CDR2 | CDR3 |
|---|
| 序列(sequence) | GFIFSNHW | IRSKSINSAT | RNYYGSTYDY |
| 肽段位点(peptide site) | H ∶ T3 | H ∶ T7 | H ∶ T13 |
| 水解片段(digested peptide) | LSCVASGFIFSNHWMNWVR | SINSATHYAESVK | NYYGSTYDYWGQGTTLTVSSASTK |
| 预期质量(expected mass)/Da | 2 311.090 | 1 406.691 | 2 650.194 |
| 观测质量(observed mass)/Da | 2 311.085 | 1 406.689 | 2 650.210 |
| 保留时间(retention time)/min | 61.50 | 23.03 | 44.23 |
), ArticleFig(id=1240722376346882660, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Tab. 6, caption=
Proportions and oxidative modification sites of infliximab standard candidate
, figureFileSmall=null, figureFileBig=null, tableContent=
| 修饰位点(modification site) | L ∶ T6(M6) | H ∶ T11(M7) H ∶ T22(M4) |
|---|
| 修饰(modification) | 无氧化 (no oxidation) | 氧化 (oxidation) | 无氧化 (no oxidation) | 氧化 (oxidation) | 无氧化 (no oxidation) | 氧化 (oxidation) |
| 肽段序列(sequence of peptide) | YASESMSGIPSR | SAVYLQMTDLR | DTLMISR |
| 预期质量(expected mass)/Da | 1 284.589 | 1 300.584 | 1 296.662 | 1 312.657 | 835.434 | 851.429 |
| 观测质量(observed mass)/Da | 1 284.587 | 1 300.588 | 1 296.659 | 1 312.660 | 835.428 | 851.419 |
| 保留时间(retention time)/min | 25.04 | 18.69 | 41.88 | 32.27 | 26.73 | 22.53 |
| 占比(proportions)/% | \ | 0.8 | \ | 0.3 | \ | 3.8 |
), ArticleFig(id=1240722376434963047, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=表6, caption=
英夫利西单抗候选标准品氧化修饰位点及比例
, figureFileSmall=null, figureFileBig=null, tableContent=
| 修饰位点(modification site) | L ∶ T6(M6) | H ∶ T11(M7) H ∶ T22(M4) |
|---|
| 修饰(modification) | 无氧化 (no oxidation) | 氧化 (oxidation) | 无氧化 (no oxidation) | 氧化 (oxidation) | 无氧化 (no oxidation) | 氧化 (oxidation) |
| 肽段序列(sequence of peptide) | YASESMSGIPSR | SAVYLQMTDLR | DTLMISR |
| 预期质量(expected mass)/Da | 1 284.589 | 1 300.584 | 1 296.662 | 1 312.657 | 835.434 | 851.429 |
| 观测质量(observed mass)/Da | 1 284.587 | 1 300.588 | 1 296.659 | 1 312.660 | 835.428 | 851.419 |
| 保留时间(retention time)/min | 25.04 | 18.69 | 41.88 | 32.27 | 26.73 | 22.53 |
| 占比(proportions)/% | \ | 0.8 | \ | 0.3 | \ | 3.8 |
), ArticleFig(id=1240722376539820656, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Tab. 7, caption=
Proportions and deamidation modification sites of infliximab standard candidate
, figureFileSmall=null, figureFileBig=null, tableContent=
| 修饰位点(modification site) | H ∶ T7(N3) | H ∶ T27(N14) | H ∶ T37(N1) | H ∶ T38(N14) |
|---|
| 修饰(modification) | 无脱酰胺 (nodeamidation) | 脱酰胺 (deamidation) | 无脱酰胺 (no deamidation) | 脱酰胺 (deamidation) | 无脱酰胺 (no deamidation) | 脱酰胺 (deamidation) | 无脱酰胺 (no deamidation) | 脱酰胺 (deamidation) |
| 肽段序列(sequence of peptide) | SINSATHYAESVK | VVSVLTVLHQDWLNGK | NQVSLTCLVK | GFYPSDIAVEWESNGQPENNYK |
| 预期质量(expected mass)/Da | 1 406.691 | 1 407.675 | 1 808.006 | 1 808.991 | 1 161.630 | 1 162.614 | 2 544.131 | 2 545.115 |
| 观测质量(observed mass)/Da | 1 406.689 | 1 407.667 | 1 808.012 | 1 808.986 | 1 161.626 | 1 162.608 | 2 544.137 | 2 545.104 4 |
| 保留时间(retention time)/min | 23.031 | 23.854 | 57.718 | 58.018 | 38.425 | 41.954 | 48.980 | 49.678 |
| 占比(proportions)/% | \ | 5.9 | \ | 31.5 | \ | 1.4 | \ | 19.4 |
), ArticleFig(id=1240722376627901044, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=表7, caption=
英夫利西单抗候选标准品脱酰胺修饰位点及比例
, figureFileSmall=null, figureFileBig=null, tableContent=
| 修饰位点(modification site) | H ∶ T7(N3) | H ∶ T27(N14) | H ∶ T37(N1) | H ∶ T38(N14) |
|---|
| 修饰(modification) | 无脱酰胺 (nodeamidation) | 脱酰胺 (deamidation) | 无脱酰胺 (no deamidation) | 脱酰胺 (deamidation) | 无脱酰胺 (no deamidation) | 脱酰胺 (deamidation) | 无脱酰胺 (no deamidation) | 脱酰胺 (deamidation) |
| 肽段序列(sequence of peptide) | SINSATHYAESVK | VVSVLTVLHQDWLNGK | NQVSLTCLVK | GFYPSDIAVEWESNGQPENNYK |
| 预期质量(expected mass)/Da | 1 406.691 | 1 407.675 | 1 808.006 | 1 808.991 | 1 161.630 | 1 162.614 | 2 544.131 | 2 545.115 |
| 观测质量(observed mass)/Da | 1 406.689 | 1 407.667 | 1 808.012 | 1 808.986 | 1 161.626 | 1 162.608 | 2 544.137 | 2 545.104 4 |
| 保留时间(retention time)/min | 23.031 | 23.854 | 57.718 | 58.018 | 38.425 | 41.954 | 48.980 | 49.678 |
| 占比(proportions)/% | \ | 5.9 | \ | 31.5 | \ | 1.4 | \ | 19.4 |
), ArticleFig(id=1240722376745341561, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Tab. 8, caption=
N/C-terminal heterogeneity of the heavy chain between N/C
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| N末端焦谷氨酸环化 (N-term pyroglutamic acid E)/% | C端K缺失 (C-term-K)/% |
|---|
| Fd | 0.8 | \ |
| Fc | \ | 87.6 |
), ArticleFig(id=1240722376858587774, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=表8, caption=
重链N/C端异质性
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| N末端焦谷氨酸环化 (N-term pyroglutamic acid E)/% | C端K缺失 (C-term-K)/% |
|---|
| Fd | 0.8 | \ |
| Fc | \ | 87.6 |
), ArticleFig(id=1240722376938279555, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=EN, label=Fig. 9, caption=
Analysis of disulfide bond sites of infliximab standard candidate
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位置 (site) | 二硫键信息(disulfide bond) | 保留时间 (retention time)/min |
|---|
序号 (serial number) | 理论二硫键 (theoretical disulfide bond) | 对应肽段信息 (peptide information)) |
|---|
| 轻链内(light intra-chain) | 轻链内第1对(first pair in light chain) | L ∶ C23-L ∶ C88 | LC ∶ T2-LC ∶ T7 | 62.02 |
| 轻链内第2对(second pair in light chain) | L ∶ C134-L ∶ C194 | LC ∶ T10-LC ∶ T17 | 50.49 |
| 轻重链间(inter light and heavy chain) | 轻重链间(interlight and heavy chain) | L ∶ C214-H ∶ C223 | LC ∶ T18-19-HC ∶ T20 | 39.55 |
| 重链内(heavy intra-chain) | 重链内第1对(first pair in heavy chain) | H ∶ C22-H ∶ C98 | HC ∶ T3-HC ∶ T12 | 56.63 |
| 重链内第2对(second pair in heavy chain) | H ∶ C147-H ∶ C203 | HC ∶ T15-HC ∶ T16 | 66.22 |
| 重链内第3对(third pair in heavy chain) | H ∶ C264-H ∶ C324 | HC ∶ T23-HC ∶ T29 | 35.76 |
| 重链内第4对(fourth pair in heavy chain) | H ∶ C370-H ∶ C428 | HC ∶ T37-HC ∶ T42 | 45.45 |
| 重链间(heavy inter chain) | 重链间(heavy inter chain) | H ∶ C229-H ∶ C229 | HC ∶ T21-HC ∶ T19-21 | 62.78 |
| H ∶ C232-H ∶ C232 | | |
), ArticleFig(id=1240722377135411847, tenantId=1146029695717560320, journalId=1205117023404326918, articleId=1240709668067135732, language=CN, label=表9, caption=
英夫利西单抗候选标准品二硫键位点分析
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位置 (site) | 二硫键信息(disulfide bond) | 保留时间 (retention time)/min |
|---|
序号 (serial number) | 理论二硫键 (theoretical disulfide bond) | 对应肽段信息 (peptide information)) |
|---|
| 轻链内(light intra-chain) | 轻链内第1对(first pair in light chain) | L ∶ C23-L ∶ C88 | LC ∶ T2-LC ∶ T7 | 62.02 |
| 轻链内第2对(second pair in light chain) | L ∶ C134-L ∶ C194 | LC ∶ T10-LC ∶ T17 | 50.49 |
| 轻重链间(inter light and heavy chain) | 轻重链间(interlight and heavy chain) | L ∶ C214-H ∶ C223 | LC ∶ T18-19-HC ∶ T20 | 39.55 |
| 重链内(heavy intra-chain) | 重链内第1对(first pair in heavy chain) | H ∶ C22-H ∶ C98 | HC ∶ T3-HC ∶ T12 | 56.63 |
| 重链内第2对(second pair in heavy chain) | H ∶ C147-H ∶ C203 | HC ∶ T15-HC ∶ T16 | 66.22 |
| 重链内第3对(third pair in heavy chain) | H ∶ C264-H ∶ C324 | HC ∶ T23-HC ∶ T29 | 35.76 |
| 重链内第4对(fourth pair in heavy chain) | H ∶ C370-H ∶ C428 | HC ∶ T37-HC ∶ T42 | 45.45 |
| 重链间(heavy inter chain) | 重链间(heavy inter chain) | H ∶ C229-H ∶ C229 | HC ∶ T21-HC ∶ T19-21 | 62.78 |
| H ∶ C232-H ∶ C232 | | |
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