Structure of PDB 3c4x Chain B

Receptor sequence
>3c4xB (length=475) Species: 9913 (Bos taurus) [Search protein sequence]
RDRKYLARLKLPPLSKCEALRESLDLGFEGMCLEQPIGKRLFQQFLRTHE
QHGPALQLWKDIEDYDTADDALRPQKAQALRAAYLEPQAQLFCSFLDAET
VARAFQPLLRAVLAHLGQAPFQEFLDSLYFLRFLQWKWLEAQPMGEDWFL
DFRVLGRGGFGEVFACQMKATGKLYACKKLNKKRLKKRKGYQGAMVEKKI
LAKVHSRFIVSLAYAFETKTDLCLVMTIMNGGDIRYHIYNVDEDNPGFQE
PRAIFYTAQIVSGLEHLHQRNIIYRDLKPENVLLDDDGNVRISDLGLAVE
LKAGQTKTKGYAGTPGFMAPELLLGEEYDFSVDYFALGVTLYEMIAARGP
FRARGEKVENKELKQRVLEQAVTYPDKFSPASKDFCEALLQKDPEKRLGF
RDGSCDGLRTHPLFRDISWRQLEAGMLTPPFVPDSRTEKADTEFFQEFAS
GTCPIPWQEEMIETGVFGDLNVWRP
3D structure
PDB3c4x Structures of rhodopsin kinase in different ligand states reveal key elements involved in G protein-coupled receptor kinase activation.
ChainB
Resolution2.9 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D314 K316 E318 N319 D332 A341 T352
Catalytic site (residue number reindexed from 1) D276 K278 E280 N281 D294 A303 T314
Enzyme Commision number 2.7.11.14: rhodopsin kinase.
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 MG B N319 D332 N281 D294
BS02 ATP B L193 G196 G197 V201 A214 K216 M267 L321 D332 L155 G158 G159 V163 A176 K178 M229 L283 D294
Gene Ontology
Molecular Function
GO:0004672 protein kinase activity
GO:0004674 protein serine/threonine kinase activity
GO:0004703 G protein-coupled receptor kinase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0050254 rhodopsin kinase activity
Biological Process
GO:0006468 protein phosphorylation
GO:0007165 signal transduction
GO:0007601 visual perception
GO:0009966 regulation of signal transduction
GO:0016310 phosphorylation
GO:0022400 regulation of opsin-mediated signaling pathway
GO:0046777 protein autophosphorylation
Cellular Component
GO:0001750 photoreceptor outer segment
GO:0005737 cytoplasm
GO:0016020 membrane
GO:0042995 cell projection
GO:0097381 photoreceptor disc membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3c4x, PDBe:3c4x, PDBj:3c4x
PDBsum3c4x
PubMed18339619
UniProtP28327|GRK1_BOVIN Rhodopsin kinase GRK1 (Gene Name=GRK1)

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