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Q9QX11

- CYH1_MOUSE

UniProt

Q9QX11 - CYH1_MOUSE

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Protein

Cytohesin-1

Gene
Cyth1, Pscd1
Organism
Mus musculus (Mouse)
Status
Reviewed - Annotation score: 5 out of 5 - Experimental evidence at protein leveli

Functioni

Promotes guanine-nucleotide exchange on ARF1 and ARF5. Promotes the activation of ARF factors through replacement of GDP with GTP.1 Publication

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei281 – 2811Phosphatidylinositol 3,4,5-trisphosphate By similarity
Binding sitei292 – 2921Phosphatidylinositol 3,4,5-trisphosphate By similarity
Binding sitei302 – 3021Phosphatidylinositol 3,4,5-trisphosphate By similarity
Binding sitei351 – 3511Phosphatidylinositol 3,4,5-trisphosphate By similarity

GO - Molecular functioni

  1. ARF guanyl-nucleotide exchange factor activity Source: UniProtKB
  2. lipid binding Source: UniProtKB-KW
  3. protein binding Source: MGI

GO - Biological processi

  1. establishment of epithelial cell polarity Source: MGI
  2. regulation of ARF protein signal transduction Source: InterPro
  3. regulation of cell adhesion Source: RefGenome
  4. regulation of GTPase activity Source: GOC
Complete GO annotation...

Keywords - Molecular functioni

Guanine-nucleotide releasing factor

Keywords - Ligandi

Lipid-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Cytohesin-1
Alternative name(s):
PH, SEC7 and coiled-coil domain-containing protein 1
Short name:
CLM1
SEC7 homolog A
Short name:
mSec7-1
Gene namesi
Name:Cyth1
Synonyms:Pscd1
OrganismiMus musculus (Mouse)
Taxonomic identifieri10090 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaSciurognathiMuroideaMuridaeMurinaeMusMus
ProteomesiUP000000589: Chromosome 11

Organism-specific databases

MGIiMGI:1334257. Cyth1.

Subcellular locationi

Cell membrane; Peripheral membrane protein. Cytoplasmcytosol 1 Publication

GO - Cellular componenti

  1. cytosol Source: UniProtKB
  2. extrinsic component of cytoplasmic side of plasma membrane Source: UniProtKB
  3. plasma membrane Source: UniProtKB
  4. tight junction Source: MGI
Complete GO annotation...

Keywords - Cellular componenti

Cell membrane, Cytoplasm, Membrane

Pathology & Biotechi

Mutagenesis

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Mutagenesisi385 – 3851L → A: Impairs autoinhibition; when associated with A-389. Impairs translocation to the cell membrane. 1 Publication
Mutagenesisi389 – 3891K → A: Impairs autoinhibition; when associated with A-385. Impairs translocation to the cell membrane. 1 Publication
Mutagenesisi394 – 3941S → E: Increases guanine exchange factor activity. 1 Publication

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 398398Cytohesin-1PRO_0000120195Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei1 – 11N-acetylmethionine By similarity

Keywords - PTMi

Acetylation

Proteomic databases

MaxQBiQ9QX11.
PaxDbiQ9QX11.
PRIDEiQ9QX11.

PTM databases

PhosphoSiteiQ9QX11.

Expressioni

Gene expression databases

ArrayExpressiQ9QX11.
BgeeiQ9QX11.
GenevestigatoriQ9QX11.

Interactioni

Subunit structurei

Interacts with TRIM23 and CYTIP By similarity.

Protein-protein interaction databases

IntActiQ9QX11. 1 interaction.

Structurei

3D structure databases

ProteinModelPortaliQ9QX11.
SMRiQ9QX11. Positions 58-391.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini73 – 202130SEC7Add
BLAST
Domaini260 – 377118PHAdd
BLAST

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni269 – 2779Phosphatidylinositol 3,4,5-trisphosphate binding By similarity
Regioni388 – 3969C-terminal autoinhibitory region By similarity

Coiled coil

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Coiled coili10 – 6758 Reviewed predictionAdd
BLAST

Domaini

Binds via its PH domain to the inositol head group of phosphatidylinositol 3,4,5-trisphosphate By similarity.1 Publication
Autoinhibited by its C-terminal basic region.1 Publication

Sequence similaritiesi

Contains 1 PH domain.
Contains 1 SEC7 domain.

Keywords - Domaini

Coiled coil

Phylogenomic databases

eggNOGiCOG5307.
GeneTreeiENSGT00660000095162.
HOVERGENiHBG002647.
TreeFamiTF352091.

Family and domain databases

Gene3Di1.10.1000.11. 1 hit.
2.30.29.30. 1 hit.
InterProiIPR001849. PH_domain.
IPR011993. PH_like_dom.
IPR023394. Sec7_alpha_orthog.
IPR000904. Sec7_dom.
[Graphical view]
PfamiPF00169. PH. 1 hit.
PF01369. Sec7. 1 hit.
[Graphical view]
SMARTiSM00233. PH. 1 hit.
SM00222. Sec7. 1 hit.
[Graphical view]
SUPFAMiSSF48425. SSF48425. 1 hit.
PROSITEiPS50003. PH_DOMAIN. 1 hit.
PS50190. SEC7. 1 hit.
[Graphical view]

Sequences (2)i

Sequence statusi: Complete.

This entry describes 2 isoformsi produced by alternative splicing. Align

Isoform 1 (identifier: Q9QX11-1) [UniParc]FASTAAdd to Basket

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide

MEDDDSYVPS DLTAEERQEL ENIRRRKQEL LADIQRLKEE IAEVANEIES    50
LGSTEERKNM QRNKQVAMGR KKFNMDPKKG IQFLIENGLL KNTCEDIAQF 100
LYKGEGLNKT AIGDYLGERD EFSIQVLHAF VELHEFTDLN LVQALRQFLW 150
SFRLPGEAQK IDRMMEAFAQ RYCQCNTGVF QSTDTCYVLS FAIIMLNTSL 200
HNPNVKDKPT VERFIAMNRG INDGGDLPEE LLRNLYESIK NEPFKIPEDD 250
GNDLTHTFFN PDREGWLLKL GGGRVKTWKR RWFILTDNCL YYFEYTTDKE 300
PRGIIPLENL SIREVEDSKK PNCFELYIPD NKDQVIKACK TEADGRVVEG 350
NHTVYRISAP TPEEKEDWIK CIKAAISRDP FYEMLAARKK KVSSTKRH 398
Length:398
Mass (Da):46,274
Last modified:July 27, 2011 - v2
Checksum:i79E06E2364282E85
GO
Isoform 2 (identifier: Q9QX11-2) [UniParc]FASTAAdd to Basket

The sequence of this isoform differs from the canonical sequence as follows:
     273-273: Missing.

Show »
Length:397
Mass (Da):46,217
Checksum:i75F3183266EC695A
GO

Alternative sequence

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Alternative sequencei273 – 2731Missing in isoform 2. VSP_006035

Sequence conflict

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sequence conflicti3 – 31D → E in AAC71694. 1 Publication

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AB013464 mRNA. Translation: BAA33428.1.
AF051337 mRNA. Translation: AAC71694.1.
AB035538 mRNA. Translation: BAB13509.1.
CCDSiCCDS48996.1. [Q9QX11-1]
CCDS48997.1. [Q9QX11-2]
RefSeqiNP_001106169.1. NM_001112699.1. [Q9QX11-2]
NP_035310.2. NM_011180.3. [Q9QX11-1]
XP_006532583.1. XM_006532520.1. [Q9QX11-1]
UniGeneiMm.86413.

Genome annotation databases

EnsembliENSMUST00000017276; ENSMUSP00000017276; ENSMUSG00000017132. [Q9QX11-2]
ENSMUST00000106305; ENSMUSP00000101912; ENSMUSG00000017132. [Q9QX11-1]
GeneIDi19157.
KEGGimmu:19157.
UCSCiuc011yil.1. mouse. [Q9QX11-1]

Keywords - Coding sequence diversityi

Alternative splicing

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AB013464 mRNA. Translation: BAA33428.1 .
AF051337 mRNA. Translation: AAC71694.1 .
AB035538 mRNA. Translation: BAB13509.1 .
CCDSi CCDS48996.1. [Q9QX11-1 ]
CCDS48997.1. [Q9QX11-2 ]
RefSeqi NP_001106169.1. NM_001112699.1. [Q9QX11-2 ]
NP_035310.2. NM_011180.3. [Q9QX11-1 ]
XP_006532583.1. XM_006532520.1. [Q9QX11-1 ]
UniGenei Mm.86413.

3D structure databases

ProteinModelPortali Q9QX11.
SMRi Q9QX11. Positions 58-391.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

IntActi Q9QX11. 1 interaction.

PTM databases

PhosphoSitei Q9QX11.

Proteomic databases

MaxQBi Q9QX11.
PaxDbi Q9QX11.
PRIDEi Q9QX11.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

Ensembli ENSMUST00000017276 ; ENSMUSP00000017276 ; ENSMUSG00000017132 . [Q9QX11-2 ]
ENSMUST00000106305 ; ENSMUSP00000101912 ; ENSMUSG00000017132 . [Q9QX11-1 ]
GeneIDi 19157.
KEGGi mmu:19157.
UCSCi uc011yil.1. mouse. [Q9QX11-1 ]

Organism-specific databases

CTDi 9267.
MGIi MGI:1334257. Cyth1.

Phylogenomic databases

eggNOGi COG5307.
GeneTreei ENSGT00660000095162.
HOVERGENi HBG002647.
TreeFami TF352091.

Miscellaneous databases

ChiTaRSi CYTH1. mouse.
NextBioi 295810.
PROi Q9QX11.
SOURCEi Search...

Gene expression databases

ArrayExpressi Q9QX11.
Bgeei Q9QX11.
Genevestigatori Q9QX11.

Family and domain databases

Gene3Di 1.10.1000.11. 1 hit.
2.30.29.30. 1 hit.
InterProi IPR001849. PH_domain.
IPR011993. PH_like_dom.
IPR023394. Sec7_alpha_orthog.
IPR000904. Sec7_dom.
[Graphical view ]
Pfami PF00169. PH. 1 hit.
PF01369. Sec7. 1 hit.
[Graphical view ]
SMARTi SM00233. PH. 1 hit.
SM00222. Sec7. 1 hit.
[Graphical view ]
SUPFAMi SSF48425. SSF48425. 1 hit.
PROSITEi PS50003. PH_DOMAIN. 1 hit.
PS50190. SEC7. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Complex regulation of multiple cytohesin-like genes in murine tissues and cells."
    Kim H.-S., Chen Y., Lonai P.
    FEBS Lett. 433:312-316(1998) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 2).
    Tissue: Brain.
  2. "Cloning and sequencing of cDNA encoding mouse cytohesin-1."
    O'Rourke A.M., Escuro G., Feeney A.J.
    Immunogenetics 48:354-355(1998) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1).
    Strain: B10D2/NSNJ.
    Tissue: Lymph node.
  3. "Cloning and characterization of the promoter of murine cytohesin-1 gene."
    Goda N., Tanoue A., Kikuchi S., Tsujimoto G.
    Biochim. Biophys. Acta 1493:195-199(2000) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1).
  4. "Structural basis and mechanism of autoregulation in 3-phosphoinositide-dependent Grp1 family Arf GTPase exchange factors."
    DiNitto J.P., Delprato A., Gabe Lee M.T., Cronin T.C., Huang S., Guilherme A., Czech M.P., Lambright D.G.
    Mol. Cell 28:569-583(2007) [PubMed] [Europe PMC] [Abstract]
    Cited for: FUNCTION, SUBCELLULAR LOCATION, DOMAIN, AUTOINHIBITION, MUTAGENESIS OF LEU-385; LYS-389 AND SER-394.

Entry informationi

Entry nameiCYH1_MOUSE
AccessioniPrimary (citable) accession number: Q9QX11
Secondary accession number(s): O88817, Q76MU4
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 21, 2001
Last sequence update: July 27, 2011
Last modified: September 3, 2014
This is version 105 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. MGD cross-references
    Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

Similar proteinsi