Structure of PDB 1a8b Chain A Binding Site BS01

Receptor Information
>1a8b Chain A (length=318) Species: 10116 (Rattus norvegicus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ALRGTVTDFSGFDGRADAEVLRKAMKGLGTDEDSILNLLTARSNAQRQQI
AEEFKTLFGRDLVNDMKSELTGKFEKLIVALMKPSRLYDAYELKHALKGA
GTDEKVLTEIIASRTPEELRAIKQAYEEEYGSNLEDDVVGDTSGYYQRML
VVLLQANRDPDTAIDDAQVELDAQALFQAGELKWGTDEEKFITILGTRSV
SHLRRVFDKYMTISGFQIEETIDRETSGNLENLLLAVVKSIRSIPAYLAE
TLYYAMKGAGTDDHTLIRVIVSRSEIDLFNIRKEFRKNFATSLYSMIKGD
TSGDYKKALLLLCGGEDD
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain1a8b Chain A Residue 401 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB1a8b Ca(2+)-bridging mechanism and phospholipid head group recognition in the membrane-binding protein annexin V.
Resolution1.9 Å
Binding residue
(original residue number in PDB)		M26 G28 G30 E70
Binding residue
(residue number reindexed from 1)		M25 G27 G29 E69
Annotation score5
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0001786 phosphatidylserine binding
GO:0005388 P-type calcium transporter activity
GO:0005509 calcium ion binding
GO:0005515 protein binding
GO:0005543 phospholipid binding
GO:0005544 calcium-dependent phospholipid binding
GO:0017046 peptide hormone binding
GO:0030971 receptor tyrosine kinase binding
GO:0042802 identical protein binding
Biological Process
GO:0007596 blood coagulation
GO:0030195 negative regulation of blood coagulation
GO:0043065 positive regulation of apoptotic process
GO:0050819 negative regulation of coagulation
GO:0051592 response to calcium ion
GO:0070588 calcium ion transmembrane transport
GO:0071284 cellular response to lead ion
GO:0097066 response to thyroid hormone
GO:0097211 cellular response to gonadotropin-releasing hormone
GO:1901317 regulation of flagellated sperm motility
GO:1902721 negative regulation of prolactin secretion
Cellular Component
GO:0005615 extracellular space
GO:0005737 cytoplasm
GO:0008021 synaptic vesicle
GO:0009897 external side of plasma membrane
GO:0012506 vesicle membrane
GO:0014704 intercalated disc
GO:0030018 Z disc
GO:0030425 dendrite
GO:0030672 synaptic vesicle membrane
GO:0042383 sarcolemma
GO:0042995 cell projection
GO:0043025 neuronal cell body
GO:0043204 perikaryon
GO:0043679 axon terminus
GO:0072563 endothelial microparticle

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1a8b, PDBe:1a8b, PDBj:1a8b
PDBsum1a8b
PubMed7583670
UniProtP14668|ANXA5_RAT Annexin A5 (Gene Name=Anxa5)

[Back to BioLiP]