Structure of PDB 7bsq Chain A Binding Site BS02

Receptor Information

>7bsq Chain A (length=1028) Species: 9606 (Homo sapiens)

TRTVFVGNHPVQRFCDNRIVSSKYTLWNFLPKNLFEQFRRIANFYFLIIF
LVQVTVDTPTSPVTSGLPLFFVITVTAIKQGYEDWLRHRADNEVNKSTVY
IIENAKRVRKESEKIKVGDVVEVQADETFPCDLILLSSCTTDGTCYVTTA
SLDGESNCKTHYAVRDTIALCTAESIDTLRAAIECEQPQPDLYKFVGRIN
IYSNSLEAVARSLGPENLLLKGATLKNTEKIYGVAVYTGMETKMALNYQG
KSQKRSAVEKSINAFLIVYLFILLTKAAVCTTLKYVWQSTPYNDEPWYNQ
KTQKERETLKVLKMFTDFLSFMVLFNFIIPVSMYVTVEMQKFLGSFFISW
DKDFYDEEINEGALVNTSDLNEELGQVDYVFTDKTGTLTENSMEFIECCI
DGHKYKVDKNREELFLRALCLCHTVEIKTNDAVDGATESAELTYISSSPD
EIALVKGAKRYGFTFLGNRNGYMRVENQRKEIEEYELLHTLNFDAVRRRM
SVIVKTQEGDILLFCKGADSAVFPRVQNHEIELTKVHVERNAMDGYRTLC
VAFKEIAPDDYERINRQLIEAKMALQDREEKMEKVFDDIETNMNLIGATA
VEDKLQDQAAETIEALHAAGLKVWVLTGDKMETAKSTCYACRLFQTNTEL
LELTTKTIEESERKEDRLHELLIEYRKKLEHQEYGLIIDGSTLSLILNSS
QDSSSNNYKSIFLQICMKCTAVLCCRMAPLQKAQIVRMVKNLKGSPITLS
IGDGANDVSMILESHVGIGIKGKEGRQAARNSDYSVPKFKHLKKLLLAHG
HLYYVRIAHLVQYFFYKNLCFILPQFLYQFFCGFSQQPLYDAAYLTMYNI
CFTSLPILAYSLLEQHINIDTLTSDPRLYMKISGNAMLQLGPFLYWTFLA
AFEGTVFFFGTYFLFQTASLEENGKVYGNWTFGTIVFTVLVFTVTLKLAL
DTRFWTWINHFVIWGSLAFYVFFSFFWGGIIWPFLKQQRMYFVFAQMLSS
VSTWLAIILLIFISLFPEILLIVLKNVR

Ligand information

• Ligand ID: ADP
• InChI: InChI=1S/C10H15N5O10P2/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(17)6(16)4(24-10)1-23-27(21,22)25-26(18,19)20/h2-4,6-7,10,16-17H,1H2,(H,21,22)(H2,11,12,13)(H2,18,19,20)/t4-,6-,7-,10-/m1/s1
• InChIKey: XTWYTFMLZFPYCI-KQYNXXCUSA-N
• SMILES:
  OpenEye OEToolkits 1.5.0: c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)OP(=O)(O)O)O)O)N
  CACTVS 3.341: Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(=O)O[P](O)(O)=O)[CH](O)[CH]3O
  ACDLabs 10.04: O=P(O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
  CACTVS 3.341: Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P@@](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]3O
  OpenEye OEToolkits 1.5.0: c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)O)O)O)N
• Formula: C10 H15 N5 O10 P2
• Name: ADENOSINE-5'-DIPHOSPHATE
• ChEMBL: CHEMBL14830
• DrugBank: DB16833
• ZINC: ZINC000012360703
• PDB chain: 7bsq Chain A Residue 1102

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7bsq Transport Cycle of Plasma Membrane Flippase ATP11C by Cryo-EM.
• Resolution: 3.2 Å
• Binding residue (original residue number in PDB): E498 F540 K563 A565 R594 D676 N819
• Binding residue (residue number reindexed from 1): E451 F493 K516 A518 R547 D629 N756
• Annotation score: 5

Enzymatic activity

• Enzyme Commision number: 7.6.2.1: P-type phospholipid transporter.

Gene Ontology

Molecular Function

• GO:0000166 nucleotide binding
• GO:0000287 magnesium ion binding
• GO:0005215 transporter activity
• GO:0005515 protein binding
• GO:0005524 ATP binding
• GO:0016887 ATP hydrolysis activity
• GO:0046872 metal ion binding
• GO:0090555 phosphatidylethanolamine flippase activity
• GO:0090556 phosphatidylserine floppase activity
• GO:0140326 ATPase-coupled intramembrane lipid transporter activity
• GO:0140346 phosphatidylserine flippase activity

Biological Process

• GO:0006869 lipid transport
• GO:0015914 phospholipid transport
• GO:0034220 monoatomic ion transmembrane transport
• GO:0045332 phospholipid translocation
• GO:0140331 aminophospholipid translocation

Cellular Component

• GO:0005765 lysosomal membrane
• GO:0005768 endosome
• GO:0005783 endoplasmic reticulum
• GO:0005789 endoplasmic reticulum membrane
• GO:0005886 plasma membrane
• GO:0012505 endomembrane system
• GO:0016020 membrane
• GO:0031901 early endosome membrane
• GO:0055037 recycling endosome
• GO:0055038 recycling endosome membrane
• GO:1990531 phospholipid-translocating ATPase complex

External links

• PDB: RCSB:7bsq, PDBe:7bsq, PDBj:7bsq
• PDBsum: 7bsq
• PubMed: 32997992
• UniProt: Q8NB49|AT11C_HUMAN Phospholipid-transporting ATPase IG (Gene Name=ATP11C)