Structure of PDB 7a6f Chain A

Receptor sequence
>7a6fA (length=1164) Species: 9606 (Homo sapiens) [Search protein sequence]
PTVSVFSMFRYSNWLDKLYMVVGTLAAIIHGAGLPLMMLVFGEMTDIFAN
AGNLFMNLEEDMTRYAYYYSGIGAGVLVAAYIQVSFWCLAAGRQIHKIRK
QFFHAIMRQEIGWFDVHDVGELNTRLTDDVSKINEGIGDKIGMFFQSMAT
FFTGFIVGFTRGWKLTLVILAISPVLGLSAAVWAKILSSFTDKELLAYAK
AGAVAEEVLAAIRTVIAFGGQKKELERYNKNLEEAKRIGIKKAITANISI
GAAFLLIYASYALAFWYGTTLVLSGEYSIGQVLTVFFSVLIGAFSVGQAS
PSIEAFANARGAAYEIFKIIDNKPSIDSYSKSGHKPDNIKGNLEFRNVHF
SYPSRKEVKILKGLNLKVQSGQTVALVGNSGCGKSTTVQLMQRLYDPTEG
MVSVDGQDIRTINVRFLREIIGVVSQEPVLFATTIAENIRYGRENVTMDE
IEKAVKEANAYDFIMKLPHKFDTLVGERGAQLSGGQKQRIAIARALVRNP
KILLLDEATSALDTESEAVVQVALDKARKGRTTIVIAHRLSTVRNADVIA
GFDDGVIVEKGNHDELMKEKGIYFKLVTMQTPVSFWRIMKLNLTEWPYFV
VGVFCAIINGGLQPAFAIIFSKIIGVFTRIDDPETKRQNSNLFSLLFLAL
GIISFITFFLQGFTFGKAGEILTKRLRYMVFRSMLRQDVSWFDDPKNTTG
ALTTRLANDAAQVKGAIGSRLAVITQNIANLGTGIIISFIYGWQLTLLLL
AIVPIIAIAGVVEMKMLSGQALKDKKELEGAGKIATEAIENFRTVVSLTQ
EQKFEHMYAQSLQVPYRNSLRKAHIFGITFSFTQAMMYFSYAGCFRFGAY
LVAHKLMSFEDVLLVFSAVVFGAMAVGQVSSFAPDYAKAKISAAHIIMII
EKTPLIDSYSTEGLMPNTLEGNVTFGEVVFNYPTRPDIPVLQGLSLEVKK
GQTLALVGSSGCGKSTVVQLLERFYDPLAGKVLLDGKEIKRLNVQWLRAH
LGIVSQEPILFDCSIAENIAYGDNSRVVSQEEIVRAAKEANIHAFIESLP
NKYSTKVGDKGTQLSGGQKQRIAIARALVRQPHILLLDEATSALDTESEK
VVQEALDKAREGRTCIVIAHRLSTIQNADLIVVFQNGRVKEHGTHQQLLA
QKGIYFSMVSVQAG
3D structure
PDB7a6f Cryo-EM structures reveal distinct mechanisms of inhibition of the human multidrug transporter ABCB1.
ChainA
Resolution3.5 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 7.6.2.1: P-type phospholipid transporter.
7.6.2.2: ABC-type xenobiotic transporter.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 ZQU A L65 F303 I306 F336 L339 F343 Q725 Q990 V991 L34 F254 I257 F287 L290 F294 Q613 Q878 V879
BS02 ZQU A L65 M876 L879 Y950 Y953 M986 L34 M764 L767 Y838 Y841 M874
BS03 CLR A A308 W315 A259 W266 BindingDB: IC50=8200nM
BS04 CLR A I719 A727 I730 L758 I607 A615 I618 L646 BindingDB: IC50=8200nM
BS05 CLR A Q856 L859 L860 Q744 L747 L748 BindingDB: IC50=8200nM
BS06 CLR A N839 L843 N727 L731 BindingDB: IC50=8200nM
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0008559 ABC-type xenobiotic transporter activity
GO:0015562 efflux transmembrane transporter activity
GO:0016887 ATP hydrolysis activity
GO:0022857 transmembrane transporter activity
GO:0031625 ubiquitin protein ligase binding
GO:0042626 ATPase-coupled transmembrane transporter activity
GO:0042910 xenobiotic transmembrane transporter activity
GO:0046943 carboxylic acid transmembrane transporter activity
GO:0090554 phosphatidylcholine floppase activity
GO:0090555 phosphatidylethanolamine flippase activity
GO:0099038 ceramide floppase activity
GO:0140326 ATPase-coupled intramembrane lipid transporter activity
GO:0140328 floppase activity
GO:0140359 ABC-type transporter activity
Biological Process
GO:0000086 G2/M transition of mitotic cell cycle
GO:0006805 xenobiotic metabolic process
GO:0006869 lipid transport
GO:0009410 response to xenobiotic stimulus
GO:0045332 phospholipid translocation
GO:0046865 terpenoid transport
GO:0055085 transmembrane transport
GO:0070633 transepithelial transport
GO:0072089 stem cell proliferation
GO:0099040 ceramide translocation
GO:0140115 export across plasma membrane
GO:0150104 transport across blood-brain barrier
GO:1905039 carboxylic acid transmembrane transport
GO:1990961 xenobiotic detoxification by transmembrane export across the plasma membrane
GO:1990962 xenobiotic transport across blood-brain barrier
GO:2001225 regulation of chloride transport
Cellular Component
GO:0005737 cytoplasm
GO:0005886 plasma membrane
GO:0009986 cell surface
GO:0016020 membrane
GO:0016324 apical plasma membrane
GO:0070062 extracellular exosome
GO:0098591 external side of apical plasma membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:7a6f, PDBe:7a6f, PDBj:7a6f
PDBsum7a6f
PubMed33020312
UniProtP08183|MDR1_HUMAN ATP-dependent translocase ABCB1 (Gene Name=ABCB1)

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