Structure of PDB 1nol Chain A Binding Site BS03

Receptor Information
>1nol Chain A (length=607) Species: 6850 (Limulus polyphemus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TLHDKQIRICHLFEQLSSATVHSDRLKNVGKLQPGAIFSCFHPDHLEEAR
HLYEVFWEAGDFNDFIEIAKEARTFVNEGLFAFAAEVAVLHRDDCKGLYV
PPVQEIFPDKFIPSAAINEAFKKAHDESPILVDVQDTGNILDPEYRLAYY
REDVGINAHHWHWHLVYPSTWNPKYFGKKKDRKGELFYYMHQQMCARYDC
ERLSNGMHRMLPFNNFDEPLAGYAPHLTHVASGKYYSPRPDGLKLRDLGD
IEISEMVRMRERILDSIHLGYVISEDGSHKTLDELHGTDILGALVESSYE
SVNHEYYGNLHNWGHVTMARIHDPDGRFHEEPGVMSDTSTSLRDPIFYNW
HRFIDNIFHEYKNTLKPYDHDVLNFPDIQVQDVTLHARVDNVVHTFMREQ
ELELKHGINPGNARSIKARYYHLDHEPFSYAVNVQNNSASDKHATVRIFL
APKYDELGNEIKADELRRTAIELDKFKTDLHPGKNTVVRHSLDSSVTLSH
QPTFEDLLHGVGLSEYCSCGWPSHLLVPKGNIKGMEYHLFVMLTDWDKDK
VSVACVDAVSYCGARDHKYPDKKPMGFPFDRPIHTEHISDFLTNNMFIKD
IKIKFHE
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 chain1nol Chain A Residue 632 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1nol Crystal structure of deoxygenated Limulus polyphemus subunit II hemocyanin at 2.18 A resolution: clues for a mechanism for allosteric regulation.
Resolution2.4 Å
Binding residue
(original residue number in PDB)		S507 T510 D578
Binding residue
(residue number reindexed from 1)		S494 T497 D557
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005344 oxygen carrier activity
GO:0005507 copper ion binding
GO:0016491 oxidoreductase activity
GO:0031404 chloride ion binding
GO:0046872 metal ion binding
Biological Process
GO:0015671 oxygen transport
Cellular Component
GO:0005576 extracellular region

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1nol, PDBe:1nol, PDBj:1nol
PDBsum1nol
PubMed8518732
UniProtP04253|HCY2_LIMPO Hemocyanin II

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