Article(id=1209792670495543518, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1209792664371851916, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2021-1632, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1636905600000, receivedDateStr=2021-11-15, revisedDate=1639497600000, revisedDateStr=2021-12-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1766366649506, onlineDateStr=2025-12-22, pubDate=1649692800000, pubDateStr=2022-04-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1766366649506, onlineIssueDateStr=2025-12-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1766366649506, creator=13701087609, updateTime=1766366649506, updator=13701087609, issue=Issue{id=1209792664371851916, tenantId=1146029695717560320, journalId=1189982191388893191, year='2022', volume='57', issue='4', pageStart='845', pageEnd='1218', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1766366648046, creator=13701087609, updateTime=1766370722811, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1209809755216941958, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1209792664371851916, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1209809755216941959, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1209792664371851916, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1054, endPage=1062, ext={EN=ArticleExt(id=1209792670940139759, articleId=1209792670495543518, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=Construction and functional evaluation of an
α3[K152E, E184D, Q195T]
β4 nicotinic acetylcholine receptor mutant, columnId=1190335348761793317, journalTitle=Acta Pharmaceutica Sinica, columnName=Original Articles, runingTitle=null, highlight=null, articleAbstract=
α3β4 nicotinic acetylcholine receptors (nAChRs) are potential therapeutic targets in diseases such as addiction, cancer, and obesity. In this study, by replacing three amino acids of the α3 subunit with the corresponding positions of the rα6 subunit simultaneously, an α3[K152E, E184D, Q195T] subunit mutant was constructed by PCR-mediated site-directed mutagenesis and its cRNA was obtained by in vitro transcription. The cRNA of mutant subunits mixed in equal molar ratios with β4 subunits were microinjected into Xenopus oocytes. The pharmacological activity and function of α3[K152E, E184D, Q195T]β4 nAChR was evaluated by a two-electrode voltage clamp electrophysiological technique. Acetylcholine, nicotine, and cytisine were used as agonists to evaluate the magnitude of ligand-gated currents and gating characteristics of wild-type and mutant α3β4 nAChRs. The half-maximal effective concentrations (EC50) of acetylcholine, nicotine, and cytisine on wild-type α3β4 nAChRs were 277.5, 34.02 and 23.05 µmol·L-1, respectively, while their EC50 values with α3[K152E, E184D, Q195T]β4 nAChR were 170.5, 26.6, and 98.45 µmol·L-1, respectively. Thus these EC50 values for the three agonists towards the mutant receptor were changed 0.6-fold, 0.8-fold, and 4.3-fold, respectively, compared with the wild-type receptor; cytisine was most strongly affected, with a 77% decrease in potency. However, the maximum agonistic efficiency (Emax) of cytisine on wild-type and mutant α3β4 nAChRs was increased from 94.12% to 155.08% relative to the peak current amplitude induced by 1 mmol·L-1 acetylcholine. Thus, although the α3[K152E, E184D, Q195T]β4 nAChR had significantly reduced sensitivity to cytisine, the maximum current amplitude induced by cytisine was clearly increased. This mutant had slightly increased sensitivity to acetylcholine and nicotine. The results indicate that these three amino acids of the α3 subunit have important and varying effects on ligand binding to the α3β4 nAChR, providing a basis for further structure-functional research on α3β4 nAChR, as well as the pathology of related diseases.
, correspAuthors=Su-lan LUO, Dong-ting ZHANGSUN, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2022 Acta Pharmaceutica Sinica. All rights reserved., 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=Shu-miao CHEN, Jin-peng YU, Xiao-fan ZHANG, Xiao-peng ZHU, Su-lan LUO, Dong-ting ZHANGSUN), CN=ArticleExt(id=1209792673880346956, articleId=1209792670495543518, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=烟碱型乙酰胆碱受体
α3[K152E, E184D, Q195T]
β4突变型的构建及其功能研究, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
α3β4烟碱型乙酰胆碱受体(nicotinic acetylcholine receptors, nAChRs) 是成瘾、癌症和肥胖等重要疾病的潜在新靶点。本研究对大鼠(rat, r) α3β4 nAChRs的α3亚基上的3个氨基酸位点同时进行突变, 将这3个位点分别突变为rα6亚基上与α3亚基上相对应的氨基酸种类, 构建α3[K152E, E184D, Q195T]β4三点突变型受体, 并研究其功能。利用PCR介导的定点突变方法构建了α3[K152E, E184D, Q195T] 三点突变体载体, 体外转录获得相应的cRNA, 与野生型β4亚基的cRNA按相同比例注射到非洲爪蟾卵母细胞中进行重组表达, 然后用双电极电压钳技术检测其受体活性和功能。测定α3β4 nAChRs野生型和突变型在乙酰胆碱、尼古丁和金雀花碱3种不同激动剂的诱导下, 其配体门控电流的大小以及门控特征, 比较野生型和突变型受体之间的功能差异。α3[K152E, E184D, Q195T] 三点突变体的功能与野生型相比存在显著差异。乙酰胆碱、尼古丁和金雀花碱对α3β4 nAChR野生型的半数最大效应浓度(EC50) 分别为277.5、34.02和23.05 µmol·L-1; 针对三点突变体, 3种激动剂的EC50分别为170.5、26.6和98.45 µmol·L-1。3种激动剂对突变体的EC50与野生型受体的EC50相比, 其活性变化分别为0.6、0.8和4.3倍。其中突变型受体对金雀花碱的活性影响最显著, 其激动剂活性下降了77%。此外, 与1 mmol·L-1乙酰胆碱诱导的峰值电流幅度相比, 金雀花碱对野生型和突变型α3β4 nAChRs的最大激动效率(Emax) 从94.12%提升至155.08%。α3[K152E, E184D, Q195T]β4三点突变型明显降低了对金雀花碱的敏感性, 但其最大激动电流幅度明显变大。三点突变型略微增强了对乙酰胆碱和尼古丁的敏感性, 说明α3亚基上的这3个氨基酸对α3β4 nAChRs的配体结合功能影响较大, 对不同激动剂的影响情况各异, 这为今后探究α3β4 nAChRs重要受体的精细结构和功能以及相关疾病的发病机制研究提供了很好的线索。
, correspAuthors=罗素兰, 长孙东亭, authorNote=null, correspAuthorsNote=
, copyrightStatement=版权所有©《药学学报》编辑部2022, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=n5WtHWmpBRQkfMeSpEsx/g==, magXml=ufY1pLd+wlYKeQ7FTGyTgQ==, pdfUrl=null, pdf=whKPla30GGp16m9BeAtPhQ==, pdfFileSize=3781682, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=Y36Vesg7HepIl8YGnTTEsw==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=c/JOs4G4bKCYfodmF//1fA==, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=陈舒苗, 于津鹏, 张笑凡, 朱晓鹏, 罗素兰, 长孙东亭)}, authors=[Author(id=1209847813702292426, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1209847813832315856, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, authorId=1209847813702292426, language=EN, stringName=Shu-miao CHEN, firstName=Shu-miao, middleName=null, lastName=CHEN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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β2 nicotinic receptor, refAbstract=null), Reference(id=1209847823802175859, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, doi=null, pmid=null, pmcid=null, year=2002, volume=37, issue=null, pageStart=309, pageEnd=315, url=http://www.yxxb.com.cn:8081/aps/CN/abstract/abstract9739.shtml, language=null, rfNumber=[25], rfOrder=24, authorNames=null, journalName=Acta Pharm Sin (药学学报), refType=null, unstructuredReference=Chen JH, Bai DL. Advances in the research on nicotinic acetylcholine receptors agonists[J].
Acta Pharm Sin (药学学报),
2002,
37: 309-315., articleTitle=Advances in the research on nicotinic acetylcholine receptors agonists, refAbstract=null)], funds=[Fund(id=1209847819867918565, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, awardId=41966003, language=CN, fundingSource=国家自然科学基金资助项目(41966003), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1209847813538714558, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, xref=null, ext=[AuthorCompanyExt(id=1209847813547103169, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, companyId=1209847813538714558, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1. Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Hainan University, Haikou 570228, China), AuthorCompanyExt(id=1209847813555491777, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, companyId=1209847813538714558, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.海南大学药学院, 海南大学热带生物资源教育部重点实验室, 海南 海口 570228)]), AuthorCompany(id=1209847813614212036, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, xref=null, ext=[AuthorCompanyExt(id=1209847813622600645, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, companyId=1209847813614212036, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2. Medical College, Guangxi University, Nanning 530004, China), AuthorCompanyExt(id=1209847813630989254, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, companyId=1209847813614212036, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2.广西大学医学院, 广西 南宁 530004)])], figs=[ArticleFig(id=1209847817678491727, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=EN, label=null, caption=null, figureFileSmall=kZE2XtvFiG4y61+Sza/w4A==, figureFileBig=wbNOBi6mfT0HJzRTFmCjOQ==, tableContent=null), ArticleFig(id=1209847817829486676, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=CN, label=Figure 1, caption=
Structures of the α3β4 nicotinic acetylcholine receptor (nAChR). A: Cryo-EM structures of the α3β4 nAChR in lipidic and detergent environment; B: Homology binding model of α-conotoxin to α3β2 nAChR, and the residues shown in blue are Glu184 and Gln195 of the C-loop, and Lys152 of the B-loop, shown as a stick model , figureFileSmall=kZE2XtvFiG4y61+Sza/w4A==, figureFileBig=wbNOBi6mfT0HJzRTFmCjOQ==, tableContent=null), ArticleFig(id=1209847817934344283, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=EN, label=null, caption=null, figureFileSmall=x+myvy0nfSlLc6iQ/K8jyw==, figureFileBig=Jzfd42xKOc5RC52ORMmgTg==, tableContent=null), ArticleFig(id=1209847818039201889, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=CN, label=Figure 2, caption=
The amino acid sequence comparison of ligand binding domain between rat (r)α3 and α6 nAChR subunits , figureFileSmall=x+myvy0nfSlLc6iQ/K8jyw==, figureFileBig=Jzfd42xKOc5RC52ORMmgTg==, tableContent=null), ArticleFig(id=1209847818127282278, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=EN, label=null, caption=null, figureFileSmall=ThdfBBvzfllvu9QtPbKHCg==, figureFileBig=bHTXanqvG+QV1Ifjrt/E5g==, tableContent=null), ArticleFig(id=1209847818244722797, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=CN, label=Figure 3, caption=
The agarose gel electrophoresis of α3 subunit mutants. A-C: The agarose gel electrophoresis. M: DNA marker; 1, 4, 7: α3 subunit plasmid; 2, 5, 8: α3 subunit linear DNA; 3: α3[K152E] subunit PCR product; 6: α3[K152E, E184D] subunit PCR product; 9: α3[K152E, E184D, Q195T] subunit PCR product; D: Sequence alignment of α3 subunit and its mutant. Query is the gene sequence after mutation, Sbjct is the wild type gene sequence, and the red box is the mutated region successfully , figureFileSmall=ThdfBBvzfllvu9QtPbKHCg==, figureFileBig=bHTXanqvG+QV1Ifjrt/E5g==, tableContent=null), ArticleFig(id=1209847818324414581, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=EN, label=null, caption=null, figureFileSmall=eIAxNdjyfoe3XsqCCUcWMA==, figureFileBig=VEwiQXdiP6/k1jAP6uQ8tw==, tableContent=null), ArticleFig(id=1209847818437660792, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=CN, label=Figure 4, caption=
The agarose gel electrophoresis of α3 subunit and linearized DNA. M: DNA marker; 1: α3 subunit plasmid; 2: α3 subunit linear DNA; 3: α3[K152E] subunit plasmid; 4: α3[K152E, E184D] subunit plasmid; 5: α3[K152E, E184D, Q195T] subunit plasmid; 6: α3[K152E, E184D, Q195T] subunit linear DNA , figureFileSmall=eIAxNdjyfoe3XsqCCUcWMA==, figureFileBig=VEwiQXdiP6/k1jAP6uQ8tw==, tableContent=null), ArticleFig(id=1209847818521546874, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=EN, label=null, caption=null, figureFileSmall=VGWnR9L0SXPIcoFrRRYAWw==, figureFileBig=r3gV71eOVdzTJk229xb2xA==, tableContent=null), ArticleFig(id=1209847818647375999, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=CN, label=Figure 5, caption=
The current traces of wide-type and mutant α3β4 nAChRs evoked by different concentrations of different agonists. A, B: Acetylcholine (ACh); C, D: Nicotine (Nic); E, F: Cytisine (Cyt) , figureFileSmall=VGWnR9L0SXPIcoFrRRYAWw==, figureFileBig=r3gV71eOVdzTJk229xb2xA==, tableContent=null), ArticleFig(id=1209847818756427916, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=EN, label=null, caption=null, figureFileSmall=+nm4vT6cA4nEs1nVyPmP1A==, figureFileBig=g66YZ/JsEU9ArH2cVenm+g==, tableContent=null), ArticleFig(id=1209847818848702611, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=CN, label=Figure 6, caption=
Concentration response curves of wide-type and mutant α3β4 nAChRs gated by 3 agonists. A: ACh; B: Nic; C: Cyt , figureFileSmall=+nm4vT6cA4nEs1nVyPmP1A==, figureFileBig=g66YZ/JsEU9ArH2cVenm+g==, tableContent=null), ArticleFig(id=1209847818982920351, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=EN, label=null, caption=null, figureFileSmall=xFuxOdAp08m3YUUEsE2vvQ==, figureFileBig=agH9t1EUDOUoPk3LL1Y97A==, tableContent=null), ArticleFig(id=1209847819104555175, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=CN, label=Figure 7, caption=
The maximum current traces of wild-type (A, C) and mutant α3β4 (B, D) nAChRs induced by ACh, Nic and Cyt , figureFileSmall=xFuxOdAp08m3YUUEsE2vvQ==, figureFileBig=agH9t1EUDOUoPk3LL1Y97A==, tableContent=null), ArticleFig(id=1209847819213607088, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=EN, label=null, caption=null, figureFileSmall=tL4rfDO9H79KVRdcKLRKag==, figureFileBig=+5EIFRawxRlKnr+/Q0lZmA==, tableContent=null), ArticleFig(id=1209847819314270389, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=CN, label=Figure 8, caption=
The Emax of wild type and mutant α3β4 nAChR evoked by Nic and Cyt compare to ACh as 100%. n = 5, mean ± SEM. ****P < 0.000 1 vs wild type α3β4. ns: No significance , figureFileSmall=tL4rfDO9H79KVRdcKLRKag==, figureFileBig=+5EIFRawxRlKnr+/Q0lZmA==, tableContent=null), ArticleFig(id=1209847819414933693, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Mutant primer | Sequence of bases (5’→3’) |
| K152E FM | GAGGACCAGGTCGATTTCTGCCTTGTCGTAGGACC |
| K152E RM | GGTCCTACGACAAGGCAGAAATCGACCTGGTCCTC |
| E184D FM | CCTCACAGCAGTTGTACTTGATGTCATGTTTGTAGCCC |
| E184D RM | CCTCACAGCAGTTGTACTTGATGTCATGTTTGTAGCCC |
| Q195T FM | CAGCGAGTACGTGATGTCTGTGTAGATCTCCTCACAGC |
| Q195T RM | GCTGTGAGGAGATCTACACAGACATCACGTACTCGCTG |
), ArticleFig(id=1209847819523985608, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=CN, label=Table 1, caption=
The primer sequences for mutations at position 152, 184 and 195 of α3 nAChR subunit
, figureFileSmall=null, figureFileBig=null, tableContent=
| Mutant primer | Sequence of bases (5’→3’) |
| K152E FM | GAGGACCAGGTCGATTTCTGCCTTGTCGTAGGACC |
| K152E RM | GGTCCTACGACAAGGCAGAAATCGACCTGGTCCTC |
| E184D FM | CCTCACAGCAGTTGTACTTGATGTCATGTTTGTAGCCC |
| E184D RM | CCTCACAGCAGTTGTACTTGATGTCATGTTTGTAGCCC |
| Q195T FM | CAGCGAGTACGTGATGTCTGTGTAGATCTCCTCACAGC |
| Q195T RM | GCTGTGAGGAGATCTACACAGACATCACGTACTCGCTG |
), ArticleFig(id=1209847819620454608, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| Agonist | nAChR | EC50(μmol·L-1, 95% CI) | Hillslope | bRatio |
| ACh | α3β4 | 277.50 (258.6-297) | 2.0 (1.8-2.3) | 1 |
| α3[K152E]β4 | 39.01 (34.86-43.52) | 1.4 (1.3-1.6) | 0.14 |
| α3[E184D]β4 | 53.99 (41.25-69.98) | 0.9 (0.8-1.1) | 0.2 |
| α3[Q195T]β4 | 43.34 (31.13-59.61) | 0.9 (0.7-1.1) | 0.16 |
| Nic | α3β4 | 34.02 (30.69-39.39) | 2.0 (1.7-2.5) | 1 |
| α3[K152E]β4 | 79.15 (69.47-90.42) | 1.3 (1.1-1.7) | 2.3 |
| α3[E184D]β4 | 27.90 (13.69-28.32) | 1.8 (1.4-2.8) | 0.8 |
| α3[Q195T]β4 | 28.60 (22.52-36.2) | 1.6 (1.3-2.3) | 0.8 |
| Cyt | α3β4 | 23.05 (21.12-25.15) | 1.5 (1.4-1.7) | 1 |
| α3[K152E]β4 | 67.28 (59.93-75.78) | 2.0 (1.4-2.8) | 2.9 |
| α3[E184D]β4 | 53.91 (48.18-59.94) | 1.4 (1.2-1.7) | 2.3 |
| α3[Q195T]β4 | 57.91 (52.87-63.15) | 1.5 (1.3-1.7) | 2.5 |
), ArticleFig(id=1209847819700146389, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1209792670495543518, language=CN, label=Table 2, caption=
EC50 and hillslope values of 3 agonists for wide-type and mutant α3β4 nAChRs. bEC50 mutant /α3β4
, figureFileSmall=null, figureFileBig=null, tableContent=
| Agonist | nAChR | EC50(μmol·L-1, 95% CI) | Hillslope | bRatio |
| ACh | α3β4 | 277.50 (258.6-297) | 2.0 (1.8-2.3) | 1 |
| α3[K152E]β4 | 39.01 (34.86-43.52) | 1.4 (1.3-1.6) | 0.14 |
| α3[E184D]β4 | 53.99 (41.25-69.98) | 0.9 (0.8-1.1) | 0.2 |
| α3[Q195T]β4 | 43.34 (31.13-59.61) | 0.9 (0.7-1.1) | 0.16 |
| Nic | α3β4 | 34.02 (30.69-39.39) | 2.0 (1.7-2.5) | 1 |
| α3[K152E]β4 | 79.15 (69.47-90.42) | 1.3 (1.1-1.7) | 2.3 |
| α3[E184D]β4 | 27.90 (13.69-28.32) | 1.8 (1.4-2.8) | 0.8 |
| α3[Q195T]β4 | 28.60 (22.52-36.2) | 1.6 (1.3-2.3) | 0.8 |
| Cyt | α3β4 | 23.05 (21.12-25.15) | 1.5 (1.4-1.7) | 1 |
| α3[K152E]β4 | 67.28 (59.93-75.78) | 2.0 (1.4-2.8) | 2.9 |
| α3[E184D]β4 | 53.91 (48.18-59.94) | 1.4 (1.2-1.7) | 2.3 |
| α3[Q195T]β4 | 57.91 (52.87-63.15) | 1.5 (1.3-1.7) | 2.5 |
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