Structure of PDB 2bl0 Chain B Binding Site BS01

Receptor Information
>2bl0 Chain B (length=145) Species: 5791 (Physarum polycephalum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TASADQIQECFQIFDKDNDGKVSIEELGSALRSLGKNPTNAELNTIKGQL
NAKEFDLATFKTVYRKPIKTPTEQSKEMLDAFRALDKEGNGTIQEAELRQ
LLLNLGDALTSSEVEELMKEVSVSGDGAINYESFVDMLVTGYPLA
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 chain2bl0 Chain B Residue 1146 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2bl0 Structural Evidence for Non-Canonical Binding of Ca2+ to a Canonical EF-Hand of a Conventional Myosin.
Resolution1.75 Å
Binding residue
(original residue number in PDB)
D15 D17 D19 K21
Binding residue
(residue number reindexed from 1)
D15 D17 D19 K21
Annotation score4
Enzymatic activity
Enzyme Commision number 3.6.1.32: Transferred entry: 5.6.1.8.
Gene Ontology
Molecular Function
GO:0005509 calcium ion binding
GO:0046872 metal ion binding
Cellular Component
GO:0016459 myosin complex
GO:0016460 myosin II complex

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Molecular Function

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Cellular Component
External links
PDB RCSB:2bl0, PDBe:2bl0, PDBj:2bl0
PDBsum2bl0
PubMed16227209
UniProtP08053|MLR_PHYPO Myosin regulatory light chain

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