Structure of PDB 7tbw Chain A
Receptor sequence
>7tbwA (length=1928) Species:
9606
(Homo sapiens) [
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CWPQLRLLLWKNLTFRRRQTCQLLLEVAWPLFIFLILISVRLSYPPYEQH
ECHFPNKAMPSAGTLPWVQGIICNANNPCFRYPTPGEAPGVVGNFNKSIV
ARLFSDARRLLLYSQKDTSMKDMRKVLRTLQQIKKSSSKSEEMIQLGDQE
VSELCGLPREKLAAAERVLRSNMDILKPILRTLNSTSPFPSKELAEATKT
LLHSLGTLAQELFSMRSWSDMRQEVMFLTSSTQIYQAVSRIVCGHTPYCN
DLMKNLESSPLSRIIWKALKPLLVGKILYTPDTPATRQVMAEVNKTFQEL
AVFHDLEGMWEELSPKIWTFMENSQEMDLVRMLLDSRDNDHFWEQQLDGL
DWTAQDIVAFLAKHPVYTWREAFNETNQAIRTISRFMECVNLNKLEPIAT
EVWLINKSMELLDERKFWAGIVFTGITPGSIELPHHVKYKIRMDIDNVER
TNKIKDGYWDPGPRADPFEDMRYVWGGFAYLQDVVEQAIIRVLTGTEKKT
GVYMQQMPYPCYVDDIFLRVMSRSMPLFMTLAWIYSVAVIIKGIVYEKEA
RLKETMRIMGLDNSILWFSWFISSLIPLLVSAGLLVVILKLGNLLPYSDP
SVVFVFLSVFAVVTILQCFLISTLFSRANLAAACGGIIYFTLYLPYVLCV
AWRDYVGFTLKIFASLLSPVAFGFGCEYFALFEEQGIGVQWDNLFESPVE
EDGFNLTTSVSMMLFDTFLYGVMTWYIEAVFPGQYGIPRPWYFPCEPTHL
KLGVSIQNLVKVYRDGMKVAVDGLALNFYEGQITSFLGHNGAGKTTTMSI
LTGLFPPTSGTAYILGKDIRSEMSTIRQNLGVCPQHNVLFDMLTVEEHIW
FYARLKGLSEKHVKAEMEQMALDVGLPSSKLKSKTSQLSGGMQRKLSVAL
AFVGGSKVVILDQPTAGVDPYSRRGIWELLLKYRQGRTIILSTHHMDEAD
VLGDRIAIISHGKLCCVGSSLFLKNQLGTGYYLTLVKSAISNLIRKHVSE
ARLVEDIGHELTYVLPAFVELFHEIDDRISSYGISETTLEEIFLKVAEES
GKGSYQVKGWKLTQQQFVALLWKRLLIARRSRKGFFAQIVLPAVFVCIAL
VFSLIVPPFGKYPSLELQPWMYNEQYTFVSNDAPEDTGTLELLNALTKDP
GFGTRCMEGNPIPDTPCQAGEEEWTTAPVPQTIMDLFQNGNWTMQNPSPA
CQCSKMLPVCPPGAGGLPPPQRKQNTADILQDLTGRNISDYLVKTYVQII
AKSLKNKIWVNEFRYGGFSLGVSNPSQEVNDAIKQMKKHLKLAKDSSADR
FLNSLGRFMTGLDTKNNVKVWFNNKGWHAISSFLNVINNAILRANLQKGE
NPSHYGITAFNHPLNLTKQQLSEVALMTTSVDVLVSICVIFAMSFVPASF
VVFLIQERVSKAKHLQFISGVKPVIYWLSNFVWDMCNYVVPATLVIIIFI
CFQQKSYVSSTNLPVLALLLLLYGWSITPLMYPASFVFKIPSTAYVVLTS
VNLFIGINGSVATFVLELFTDNKLNNINDILKSVFLIFPHFCLGRGLIDM
VKNQAMADALERVSPLSWDLVGRNLFAMAVEGVVFFLITVLIQYRFFIDE
DEDVRRERQRILDGGGQNDILEIKELTKIYRRKRKPAVDRICVGIPPGEC
FGLLGVNGAGKSSTFKMLTGDTTVTRGDAFLNKNSILSNIHEVHQNMGYC
PQFDAITELLTGREHVEFFALLRGVPEKEVGKVGEWAIRKLGLVKYGEKY
AGNYSGGNKRKLSTAMALIGGPPVVFLDQPTTGMDPKARRFLWNCALSVV
KEGRSVVLTSHSMEECEALCTRMAIMVNGRFRCLGSVQHLKNRFGDGYTI
VVRIDLKPVQDFFGLAFPGSVLKEKHRNMLQYQLPSSLSSLARIFSILSQ
SKKRLHIEDYSVSQTTLDQVFVNFAKDQ
3D structure
PDB
7tbw
Cholesterol efflux mechanism revealed by structural analysis of human ABCA1 conformational states.
Chain
A
Resolution
3.1 Å
3D
structure
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Enzymatic activity
Enzyme Commision number
7.6.2.1
: P-type phospholipid 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
CLR
A
W278 S279 F466 Y482
W218 S219 F360 Y367
BS02
ATP
A
Y908 D910 K913 N935 G936 G938 K939 T940 Q980 H1089 N2044 S2046 G2047 G2048 G2074
Y763 D765 K768 N790 G791 G793 K794 T795 Q835 H944 N1753 S1755 G1756 G1757 G1783
BS03
ATP
A
Q1032 S1034 Y1921 K1924 N1948 G1949 G1951 K1952 S1953 S1954 Q1993 Q2070 H2102
Q887 S889 Y1630 K1633 N1657 G1658 G1660 K1661 S1662 S1663 Q1702 Q1779 H1811
BS04
MG
A
S1953 Q1993
S1662 Q1702
BS05
MG
A
Q980 D1057 Q1058
Q835 D912 Q913
Gene Ontology
Molecular Function
GO:0005102
signaling receptor binding
GO:0005515
protein binding
GO:0005524
ATP binding
GO:0005548
phospholipid transporter activity
GO:0008035
high-density lipoprotein particle binding
GO:0008320
protein transmembrane transporter activity
GO:0015485
cholesterol binding
GO:0016887
ATP hydrolysis activity
GO:0019905
syntaxin binding
GO:0031210
phosphatidylcholine binding
GO:0031267
small GTPase binding
GO:0034185
apolipoprotein binding
GO:0034186
apolipoprotein A-I binding
GO:0034188
apolipoprotein A-I receptor activity
GO:0042626
ATPase-coupled transmembrane transporter activity
GO:0046623
sphingolipid floppase activity
GO:0051117
ATPase binding
GO:0090554
phosphatidylcholine floppase activity
GO:0090556
phosphatidylserine floppase activity
GO:0120020
cholesterol transfer activity
GO:0140326
ATPase-coupled intramembrane lipid transporter activity
GO:0140328
floppase activity
GO:0140359
ABC-type transporter activity
Biological Process
GO:0002790
peptide secretion
GO:0006869
lipid transport
GO:0006911
phagocytosis, engulfment
GO:0007040
lysosome organization
GO:0007186
G protein-coupled receptor signaling pathway
GO:0007189
adenylate cyclase-activating G protein-coupled receptor signaling pathway
GO:0007584
response to nutrient
GO:0008203
cholesterol metabolic process
GO:0009306
protein secretion
GO:0009410
response to xenobiotic stimulus
GO:0010745
negative regulation of macrophage derived foam cell differentiation
GO:0010875
positive regulation of cholesterol efflux
GO:0010887
negative regulation of cholesterol storage
GO:0015914
phospholipid transport
GO:0016197
endosomal transport
GO:0023061
signal release
GO:0030301
cholesterol transport
GO:0031667
response to nutrient levels
GO:0032367
intracellular cholesterol transport
GO:0032489
regulation of Cdc42 protein signal transduction
GO:0033344
cholesterol efflux
GO:0033552
response to vitamin B3
GO:0033700
phospholipid efflux
GO:0034380
high-density lipoprotein particle assembly
GO:0034616
response to laminar fluid shear stress
GO:0038027
apolipoprotein A-I-mediated signaling pathway
GO:0042157
lipoprotein metabolic process
GO:0042158
lipoprotein biosynthetic process
GO:0042632
cholesterol homeostasis
GO:0043691
reverse cholesterol transport
GO:0045332
phospholipid translocation
GO:0051649
establishment of localization in cell
GO:0055085
transmembrane transport
GO:0055091
phospholipid homeostasis
GO:0060155
platelet dense granule organization
GO:0071222
cellular response to lipopolysaccharide
GO:0071300
cellular response to retinoic acid
GO:0071345
cellular response to cytokine stimulus
GO:0071397
cellular response to cholesterol
GO:0071404
cellular response to low-density lipoprotein particle stimulus
GO:0071466
cellular response to xenobiotic stimulus
GO:0071806
protein transmembrane transport
GO:0090107
regulation of high-density lipoprotein particle assembly
GO:0090108
positive regulation of high-density lipoprotein particle assembly
GO:0099039
sphingolipid translocation
GO:0140115
export across plasma membrane
Cellular Component
GO:0005768
endosome
GO:0005789
endoplasmic reticulum membrane
GO:0005794
Golgi apparatus
GO:0005886
plasma membrane
GO:0009897
external side of plasma membrane
GO:0009986
cell surface
GO:0016020
membrane
GO:0016323
basolateral plasma membrane
GO:0030139
endocytic vesicle
GO:0043231
intracellular membrane-bounded organelle
GO:0045121
membrane raft
GO:0045335
phagocytic vesicle
GO:0048471
perinuclear region of cytoplasm
GO:0097708
intracellular vesicle
View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB
RCSB:7tbw
,
PDBe:7tbw
,
PDBj:7tbw
PDBsum
7tbw
PubMed
37181814
UniProt
O95477
|ABCA1_HUMAN Phospholipid-transporting ATPase ABCA1 (Gene Name=ABCA1)
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