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Q9Z2G7

- GRK7_SPETR

UniProt

Q9Z2G7 - GRK7_SPETR

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Protein
G protein-coupled receptor kinase 7
Gene
GRK7
Organism
Spermophilus tridecemlineatus (Thirteen-lined ground squirrel) (Ictidomys tridecemlineatus)
Status
Reviewed - Annotation score: 4 out of 5 - Experimental evidence at protein leveli

Functioni

Retina-specific kinase involved in the shutoff of the photoresponse and adaptation to changing light conditions via cone opsin phosphorylation, including rhodopsin (RHO) By similarity.

Catalytic activityi

ATP + [G-protein-coupled receptor] = ADP + [G-protein-coupled receptor] phosphate.
ATP + [rhodopsin] = ADP + [rhodopsin] phosphate.

Enzyme regulationi

Inhibited by phosphorylation of Ser-34 By similarity.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei215 – 2151ATP By similarity
Active sitei311 – 3111Proton acceptor By similarity

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi192 – 2009ATP By similarity

GO - Molecular functioni

  1. ATP binding Source: UniProtKB-KW
  2. G-protein coupled receptor kinase activity Source: UniProtKB-EC
  3. rhodopsin kinase activity Source: UniProtKB
Complete GO annotation...

GO - Biological processi

  1. signal transduction Source: InterPro
  2. termination of G-protein coupled receptor signaling pathway Source: InterPro
  3. visual perception Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

Kinase, Serine/threonine-protein kinase, Transferase

Keywords - Biological processi

Sensory transduction, Vision

Keywords - Ligandi

ATP-binding, Nucleotide-binding

Names & Taxonomyi

Protein namesi
Recommended name:
G protein-coupled receptor kinase 7 (EC:2.7.11.14, EC:2.7.11.16)
Alternative name(s):
G protein-coupled receptor kinase GRK7
Gene namesi
Name:GRK7
OrganismiSpermophilus tridecemlineatus (Thirteen-lined ground squirrel) (Ictidomys tridecemlineatus)
Taxonomic identifieri43179 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaSciurognathiSciuridaeXerinaeMarmotiniIctidomys
ProteomesiUP000005215: Unplaced

Subcellular locationi

Membrane; Lipid-anchor By similarity

GO - Cellular componenti

  1. membrane Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 545545G protein-coupled receptor kinase 7
PRO_0000024336Add
BLAST
Propeptidei546 – 5483Removed in mature form By similarity
PRO_0000024337

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei34 – 341Phosphoserine; by PKA By similarity
Modified residuei545 – 5451Cysteine methyl ester Reviewed prediction
Lipidationi545 – 5451S-geranylgeranyl cysteine Reviewed prediction

Post-translational modificationi

Autophosphorylated. Phosphorylation at Ser-34 is regulated by light and activated by cAMP By similarity.1 Publication

Keywords - PTMi

Lipoprotein, Methylation, Phosphoprotein, Prenylation

Expressioni

Tissue specificityi

Retina. Cones and rod.1 Publication

Structurei

3D structure databases

ProteinModelPortaliQ9Z2G7.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini54 – 171118RGS
Add
BLAST
Domaini186 – 449264Protein kinase
Add
BLAST
Domaini450 – 51566AGC-kinase C-terminal
Add
BLAST

Sequence similaritiesi

Contains 1 RGS domain.

Phylogenomic databases

HOVERGENiHBG004532.

Family and domain databases

InterProiIPR000961. AGC-kinase_C.
IPR000239. GPCR_kinase.
IPR011009. Kinase-like_dom.
IPR000719. Prot_kinase_dom.
IPR017441. Protein_kinase_ATP_BS.
IPR016137. Regulat_G_prot_signal_superfam.
IPR000342. RGS_dom.
IPR002290. Ser/Thr_dual-sp_kinase_dom.
IPR008271. Ser/Thr_kinase_AS.
[Graphical view]
PfamiPF00069. Pkinase. 1 hit.
PF00615. RGS. 1 hit.
[Graphical view]
PRINTSiPR00717. GPCRKINASE.
SMARTiSM00315. RGS. 1 hit.
SM00133. S_TK_X. 1 hit.
SM00220. S_TKc. 1 hit.
[Graphical view]
SUPFAMiSSF48097. SSF48097. 1 hit.
SSF56112. SSF56112. 1 hit.
PROSITEiPS51285. AGC_KINASE_CTER. 1 hit.
PS00107. PROTEIN_KINASE_ATP. 1 hit.
PS50011. PROTEIN_KINASE_DOM. 1 hit.
PS00108. PROTEIN_KINASE_ST. 1 hit.
PS50132. RGS. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q9Z2G7-1 [UniParc]FASTAAdd to Basket

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MDMGGLDNLI ANTAYLQARK TDSDSRELQR RRRSLALPGP QGCAELRQSL    50
SPHFHSLCEQ QPIGRRLFRD FLATVPKYSQ AVAFLEDVQN WELAEEGPAK 100
TSTLQQLAAT CARDPGPQSF LSQDLATKCR AASTDEERKT LVEQAKAETM 150
SFLQEQPFQD FLASPFYDRF LQWKLFEMQP VSDKYFTEFR VLGKGGFGEV 200
CAVQVRNTGK MYACKKLDKK RLKKKGGEKM ALLEKEILEK VNSPFIVSLA 250
YAFESKTHLC LVMSLMNGGD LKFHIYNVGT RGLAMSRVIF YTAQMTCGVL 300
HLHGLGIVYR DLKPENVLLD DLGNCRLSDL GLAVEVQDDK PITQRAGTNG 350
YMAPEILMDK ASYSYPVDWF AMGCSIYEMV AGRTPFKDFK EKVSKEDLKE 400
RTMKDEVAFH HENFTEETKD ICRLFLAKKP EQRLGSREKA DDPRKHPFFQ 450
TVNFPRLEAG LVEPPFVPDP SVVYAKDVDE IDDFSEVRGV EFDDKDKQFF 500
QRFSTGAVPV AWQEEIIETG LFEELNDPNR PSGDGKGDSS KSGVCLLL 548
Length:548
Mass (Da):61,993
Last modified:May 1, 1999 - v1
Checksum:i092C5BFA5A42A200
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF063016 mRNA. Translation: AAC95001.1.
RefSeqiNP_001269199.1. NM_001282270.1.

Genome annotation databases

GeneIDi101975039.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF063016 mRNA. Translation: AAC95001.1 .
RefSeqi NP_001269199.1. NM_001282270.1.

3D structure databases

ProteinModelPortali Q9Z2G7.
ModBasei Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 101975039.

Organism-specific databases

CTDi 131890.

Phylogenomic databases

HOVERGENi HBG004532.

Family and domain databases

InterProi IPR000961. AGC-kinase_C.
IPR000239. GPCR_kinase.
IPR011009. Kinase-like_dom.
IPR000719. Prot_kinase_dom.
IPR017441. Protein_kinase_ATP_BS.
IPR016137. Regulat_G_prot_signal_superfam.
IPR000342. RGS_dom.
IPR002290. Ser/Thr_dual-sp_kinase_dom.
IPR008271. Ser/Thr_kinase_AS.
[Graphical view ]
Pfami PF00069. Pkinase. 1 hit.
PF00615. RGS. 1 hit.
[Graphical view ]
PRINTSi PR00717. GPCRKINASE.
SMARTi SM00315. RGS. 1 hit.
SM00133. S_TK_X. 1 hit.
SM00220. S_TKc. 1 hit.
[Graphical view ]
SUPFAMi SSF48097. SSF48097. 1 hit.
SSF56112. SSF56112. 1 hit.
PROSITEi PS51285. AGC_KINASE_CTER. 1 hit.
PS00107. PROTEIN_KINASE_ATP. 1 hit.
PS50011. PROTEIN_KINASE_DOM. 1 hit.
PS00108. PROTEIN_KINASE_ST. 1 hit.
PS50132. RGS. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "The cloning of GRK7, a candidate cone opsin kinase, from cone- and rod-dominant mammalian retinas."
    Weiss E.R., Raman D., Shirakawa S., Ducceschi M.S., Bertram P.T., Wong F., Kraft T.W., Osawa S.
    Mol. Vis. 4:27-27(1998) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA], TISSUE SPECIFICITY, AUTOPHOSPHORYLATION.
    Tissue: Retina.

Entry informationi

Entry nameiGRK7_SPETR
AccessioniPrimary (citable) accession number: Q9Z2G7
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 24, 2004
Last sequence update: May 1, 1999
Last modified: February 19, 2014
This is version 84 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Miscellaneous

Although the protein is present in a diversity of vertebrates ranging from bony fish to mammals, the mouse and rat orthologous proteins do not exist.

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

Similar proteinsi