Structure of PDB 1qv0 Chain A

Receptor sequence
>1qv0A (length=185) Species: 32570 (Obelia longissima) [Search protein sequence]
VKLKTDFDNPRWIKRHKHMFDFLDINGNGKITLDEIVSKASDDICAKLEA
TPEQTKRHQVCVEAFFRGCGMEYGKEIAFPQFLDGWKQLATSELKKWARN
EPTLIREWGDAVFDIFDGTITLDEWKAYGKISGISPSQEDCEATFRHCDL
DNAGDLDVDEMTRQHLGFWYTLDPEADGLYGNGVP
3D structure
PDB1qv0 Atomic resolution structure of obelin: soaking with calcium enhances electron density of the second oxygen atom substituted at the C2-position of coelenterazine.
ChainA
Resolution1.1 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H22 W92 Y138 H175 Y190
Catalytic site (residue number reindexed from 1) H16 W86 Y128 H165 Y180
Enzyme Commision number 1.13.12.5: Renilla-type luciferase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 CZH A H22 M25 I50 F88 W92 I111 W114 G115 Y138 M171 H175 W179 Y190 H16 M19 I44 F82 W86 I105 W108 G109 Y128 M161 H165 W169 Y180
Gene Ontology
Molecular Function
GO:0005509 calcium ion binding
GO:0046872 metal ion binding
Biological Process
GO:0008218 bioluminescence

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Molecular Function
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Biological Process
External links
PDB RCSB:1qv0, PDBe:1qv0, PDBj:1qv0
PDBsum1qv0
PubMed14592432
UniProtQ27709|OBL_OBELO Obelin

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