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Protein

Ras-related protein Rab-13

Gene

RAB13

Organism
Bos taurus (Bovine)
Status
Reviewed-Annotation score: Annotation score: 5 out of 5-Experimental evidence at protein leveli

Functioni

The small GTPases Rab are key regulators of intracellular membrane trafficking, from the formation of transport vesicles to their fusion with membranes. Rabs cycle between an inactive GDP-bound form and an active GTP-bound form that is able to recruit to membranes different sets of downstream effectors directly responsible for vesicle formation, movement, tethering and fusion. That Rab is involved in endocytic recycling and regulates the transport to the plasma membrane of transmembrane proteins like the tight junction protein OCLN/occludin. Thereby, it regulates the assembly and the activity of tight junctions. Moreover, it may also regulate tight junction assembly by activating the PKA signaling pathway and by reorganizing the actin cytoskeleton through the activation of the downstream effectors PRKACA and MICALL2 respectively. Through its role in tight junction assembly, may play a role in the establishment of Sertoli cell barrier. Plays also a role in angiogenesis through regulation of endothelial cells chemotaxis. Also involved in neurite outgrowth. Has also been proposed to play a role in post-Golgi membrane trafficking from the TGN to the recycling endosome. Finally, it has been involved in insulin-induced transport to the plasma membrane of the glucose transporter GLUT4 and therefore may play a role in glucose homeostasis (By similarity).By similarity

Enzyme regulationi

Rab activation is generally mediated by a guanine exchange factor (GEF), while inactivation through hydrolysis of bound GTP is catalyzed by a GTPase activating protein (GAP). That Rab may be activated by DENND1C, a guanine exchange factor. Activated in response to insulin (By similarity).By similarity

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Nucleotide bindingi15 – 22GTPBy similarity8
Nucleotide bindingi63 – 67GTPBy similarity5
Nucleotide bindingi121 – 124GTPBy similarity4

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Biological processi

Protein transport, Transport

Keywords - Ligandi

GTP-binding, Nucleotide-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Ras-related protein Rab-13
Gene namesi
Name:RAB13
OrganismiBos taurus (Bovine)
Taxonomic identifieri9913 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaLaurasiatheriaCetartiodactylaRuminantiaPecoraBovidaeBovinaeBos
Proteomesi
  • UP000009136 Componenti: Unplaced

Subcellular locationi

  • Cell membrane By similarity; Lipid-anchor Curated; Cytoplasmic side Curated
  • Cytoplasmic vesicle membrane By similarity; Lipid-anchor Curated; Cytoplasmic side Curated
  • Cell junctiontight junction By similarity
  • Golgi apparatustrans-Golgi network membrane By similarity
  • Recycling endosome membrane By similarity
  • Cell projectionlamellipodium By similarity

  • Note: Tight junctions or associated with vesicles scattered throughout the cytoplasm in cells lacking tight junctions (By similarity). Relocalizes to the leading edge of lamellipodia in migrating endothelial cells (By similarity).By similarity

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Cell junction, Cell membrane, Cell projection, Cytoplasmic vesicle, Endosome, Golgi apparatus, Membrane, Tight junction

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00002262921 – 200Ras-related protein Rab-13Add BLAST200
PropeptideiPRO_0000370755201 – 203Removed in mature formSequence analysis3

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei200Cysteine methyl esterSequence analysis1
Lipidationi200S-geranylgeranyl cysteineBy similarity1

Keywords - PTMi

Lipoprotein, Methylation, Prenylation

Proteomic databases

PaxDbiQ58DS5.
PRIDEiQ58DS5.

Expressioni

Gene expression databases

BgeeiENSBTAG00000017604.

Interactioni

Subunit structurei

Interacts (GTP-bound form) with MICALL2; competes with RAB8A and is involved in tight junctions assembly. Interacts (GTP-bound form) with MICALL1. Interacts with PRKACA; downstream effector of RAB13 involved in tight junction assembly. Interacts with GRB2; may recruit RAB13 to the leading edge of migrating endothelial cells where it can activate RHOA. Interacts (isoprenylated form) with PDE6D; dissociates RAB13 from membranes. Interacts with BICDL2/BICDR2. Interacts with LEPROT and LEPROTL1.1 Publication

Protein-protein interaction databases

STRINGi9913.ENSBTAP00000023407.

Structurei

3D structure databases

ProteinModelPortaliQ58DS5.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Motif

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Motifi37 – 45Effector regionBy similarity9

Sequence similaritiesi

Belongs to the small GTPase superfamily. Rab family.Curated

Phylogenomic databases

eggNOGiKOG0078. Eukaryota.
ENOG410XPUI. LUCA.
HOGENOMiHOG000233968.
HOVERGENiHBG009351.
InParanoidiQ58DS5.
KOiK06109.
TreeFamiTF314097.

Family and domain databases

Gene3Di3.40.50.300. 1 hit.
InterProiIPR027417. P-loop_NTPase.
IPR005225. Small_GTP-bd_dom.
IPR001806. Small_GTPase.
[Graphical view]
PfamiPF00071. Ras. 1 hit.
[Graphical view]
SUPFAMiSSF52540. SSF52540. 1 hit.
TIGRFAMsiTIGR00231. small_GTP. 1 hit.
PROSITEiPS51419. RAB. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

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

Q58DS5-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MAKAYDHLFK LLLIGDSGVG KTCLIIRFAE DNFNNTYIST IGIDFRIRTV
60 70 80 90 100
DIEGKKIKLQ VWDTAGQERF KTITTAYYRG AMGIILVYDI TDEKSFENIQ
110 120 130 140 150
NWMKSIKENA SAGVERLLLG NKCDMEAKRK VQKEQADKLA REHGIRFFET
160 170 180 190 200
SAKSSMNVDE AFSSLARDIL LKSGGRRLKN NNKPPSTDLK TCDKKNTNKC

SLA
Length:203
Mass (Da):22,970
Last modified:April 26, 2005 - v1
Checksum:i6B0C2C32DBEB942F
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti46R → K in AAI09841 (Ref. 2) Curated1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BT021522 mRNA. Translation: AAX46369.1.
BC109840 mRNA. Translation: AAI09841.1.
RefSeqiNP_001019711.1. NM_001024540.1.
UniGeneiBt.4127.

Genome annotation databases

GeneIDi514541.
KEGGibta:514541.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BT021522 mRNA. Translation: AAX46369.1.
BC109840 mRNA. Translation: AAI09841.1.
RefSeqiNP_001019711.1. NM_001024540.1.
UniGeneiBt.4127.

3D structure databases

ProteinModelPortaliQ58DS5.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi9913.ENSBTAP00000023407.

Proteomic databases

PaxDbiQ58DS5.
PRIDEiQ58DS5.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

GeneIDi514541.
KEGGibta:514541.

Organism-specific databases

CTDi5872.

Phylogenomic databases

eggNOGiKOG0078. Eukaryota.
ENOG410XPUI. LUCA.
HOGENOMiHOG000233968.
HOVERGENiHBG009351.
InParanoidiQ58DS5.
KOiK06109.
TreeFamiTF314097.

Gene expression databases

BgeeiENSBTAG00000017604.

Family and domain databases

Gene3Di3.40.50.300. 1 hit.
InterProiIPR027417. P-loop_NTPase.
IPR005225. Small_GTP-bd_dom.
IPR001806. Small_GTPase.
[Graphical view]
PfamiPF00071. Ras. 1 hit.
[Graphical view]
SUPFAMiSSF52540. SSF52540. 1 hit.
TIGRFAMsiTIGR00231. small_GTP. 1 hit.
PROSITEiPS51419. RAB. 1 hit.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry nameiRAB13_BOVIN
AccessioniPrimary (citable) accession number: Q58DS5
Secondary accession number(s): Q32KZ4
Entry historyi
Integrated into UniProtKB/Swiss-Prot: March 7, 2006
Last sequence update: April 26, 2005
Last modified: October 5, 2016
This is version 97 of the entry and version 1 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. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.