Structure of PDB 1sr6 Chain C Binding Site BS01

Receptor Information
>1sr6 Chain C (length=155) Species: 31199 (Argopecten irradians) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PKLSQDEIDDLKDVFELFDFWDGRDGAVDAFKLGDVCRCLGINPRNEDVF
AVGGTHKMGEKSLPFEEFLPAYEGLMDCEQGTFADYMEAFKTFDREGQGF
ISGAELRHVLTALGERLSDEDVDEIIKLTDLQEDLEGNVKYEDFVKKVMA
GPYPD
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 chain1sr6 Chain C Residue 991 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1sr6 Myosin subfragment 1 structures reveal a partially bound nucleotide and a complex salt bridge that helps couple nucleotide and actin binding.
Resolution2.75 Å
Binding residue
(original residue number in PDB)		D19 D22 G23 D25 A27
Binding residue
(residue number reindexed from 1)		D19 D22 G23 D25 A27
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005509 calcium ion binding
Cellular Component
GO:0005859 muscle myosin complex
GO:0016459 myosin complex

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Molecular Function
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Cellular Component
External links
PDB RCSB:1sr6, PDBe:1sr6, PDBj:1sr6
PDBsum1sr6
PubMed15184651
UniProtP07291|MLE_ARGIR Myosin essential light chain, striated adductor muscle

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