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Protein

Stromal membrane-associated protein 2

Gene

Smap2

Organism
Mus musculus (Mouse)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

GTPase activating protein that acts on ARF1. Can also activate ARF6 (in vitro). May play a role in clathrin-dependent retrograde transport from early endosomes to the trans-Golgi network.1 Publication

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Zinc fingeri28 – 51C4-typePROSITE-ProRule annotationAdd BLAST24

GO - Molecular functioni

Keywordsi

Molecular functionGTPase activation
LigandMetal-binding, Zinc

Names & Taxonomyi

Protein namesi
Recommended name:
Stromal membrane-associated protein 2
Alternative name(s):
Stromal membrane-associated protein 1-like
Gene namesi
Name:Smap2
Synonyms:Smap1l
OrganismiMus musculus (Mouse)
Taxonomic identifieri10090 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeMusMus
Proteomesi
  • UP000000589 Componenti: Chromosome 4

Organism-specific databases

MGIiMGI:1917030 Smap2

Subcellular locationi

Keywords - Cellular componenti

Cytoplasm

Pathology & Biotechi

Mutagenesis

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Mutagenesisi56R → Q: Loss of GTPase activation. 1 Publication1
Mutagenesisi187 – 191LLGLD → AAAAA: Loss of interaction with clathrin heavy chains; when associated with 212-AAA-214. 1 Publication5
Mutagenesisi212 – 214DLL → AAA: Loss of interaction with clathrin heavy chains; when associated with 187-AAAAA-191. 1 Publication3

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00002358421 – 428Stromal membrane-associated protein 2Add BLAST428

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei127PhosphoserineBy similarity1
Modified residuei219PhosphoserineCombined sources1
Modified residuei224PhosphoserineBy similarity1
Modified residuei230PhosphoserineBy similarity1
Modified residuei239PhosphoserineCombined sources1

Keywords - PTMi

Phosphoprotein

Proteomic databases

EPDiQ7TN29
PaxDbiQ7TN29
PeptideAtlasiQ7TN29
PRIDEiQ7TN29

PTM databases

iPTMnetiQ7TN29
PhosphoSitePlusiQ7TN29

Expressioni

Gene expression databases

BgeeiENSMUSG00000032870
GenevisibleiQ7TN29 MM

Interactioni

Subunit structurei

Interacts with ARF1. Interacts with PICALM and clathrin heavy chains.1 Publication

Binary interactionsi

WithEntry#Exp.IntActNotes
Smap1Q91VZ64EBI-11358641,EBI-8317690

Protein-protein interaction databases

IntActiQ7TN29, 1 interactor
MINTiQ7TN29
STRINGi10090.ENSMUSP00000035800

Structurei

3D structure databases

ProteinModelPortaliQ7TN29
SMRiQ7TN29
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini13 – 139Arf-GAPPROSITE-ProRule annotationAdd BLAST127

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni163 – 231Interaction with clathrin heavy chainsAdd BLAST69
Regioni339 – 428Interaction with PICALM1 PublicationAdd BLAST90

Compositional bias

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Compositional biasi278 – 410Met-richAdd BLAST133

Zinc finger

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Zinc fingeri28 – 51C4-typePROSITE-ProRule annotationAdd BLAST24

Keywords - Domaini

Zinc-finger

Phylogenomic databases

eggNOGiKOG0703 Eukaryota
COG5347 LUCA
GeneTreeiENSGT00900000140892
HOGENOMiHOG000230583
HOVERGENiHBG055260
InParanoidiQ7TN29
KOiK12486
OMAiAQAMFMA
OrthoDBiEOG091G0E7F
PhylomeDBiQ7TN29
TreeFamiTF313876

Family and domain databases

Gene3Di3.30.40.160, 1 hit
InterProiView protein in InterPro
IPR037278 ARFGAP/RecO
IPR001164 ArfGAP_dom
IPR038508 ArfGAP_dom_sf
PfamiView protein in Pfam
PF01412 ArfGap, 1 hit
PRINTSiPR00405 REVINTRACTNG
SMARTiView protein in SMART
SM00105 ArfGap, 1 hit
SUPFAMiSSF57863 SSF57863, 1 hit
PROSITEiView protein in PROSITE
PS50115 ARFGAP, 1 hit

Sequences (2)i

Sequence statusi: Complete.

This entry describes 2 isoformsi produced by alternative splicing. AlignAdd to basket

Isoform 1 (identifier: Q7TN29-1) [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

        10         20         30         40         50
MTGKSVKDVD RYQAVLANLL LEEDNKFCAD CQSKGPRWAS WNIGVFICIR
60 70 80 90 100
CAGIHRNLGV HISRVKSVNL DQWTQEQIQC MQEMGNGKAN RLYEAYLPET
110 120 130 140 150
FRRPQIDPAV EGFIRDKYEK KKYMDRSLDI NVLRKEKDDK WKRGNEPAPE
160 170 180 190 200
KKMEPVVFEK VKMPQKKEDA QLPRKSSPKS AAPVMDLLGL DAPVACSIAN
210 220 230 240 250
SKTSNALEKD LDLLASVPSP SSVSRKAVGS MPTAGSAGSV PENLNLFPEP
260 270 280 290 300
GSKSEETGKK QLSKDSILSL YGSQTPQMPA QAMFMAPAQM AYPTAYPSFP
310 320 330 340 350
GVTPPNSIMG GMVPPPVGMV AQPGASGMLT PMAMPAGYMG GMQASMMGVP
360 370 380 390 400
NGMMTTQQAG YMASMAAMPQ TVYGVQPAQQ LQWNLTQMTQ QMAGMNFYGA
410 420
NGMMNYGQSM GGGNGQAANQ TLSPQMWK
Length:428
Mass (Da):46,578
Last modified:October 1, 2003 - v1
Checksum:i5F27D6677C3B1AAF
GO
Isoform 2 (identifier: Q7TN29-2) [UniParc]FASTAAdd to basket

The sequence of this isoform differs from the canonical sequence as follows:
     227-245: AVGSMPTAGSAGSVPENLN → SQGANQKKQARNSSPRTPS
     246-428: Missing.

Show »
Length:245
Mass (Da):27,634
Checksum:i50791A8726CAC5E4
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti89A → V in AAH52413 (PubMed:15489334).Curated1
Sequence conflicti179K → E in AAH52413 (PubMed:15489334).Curated1

Alternative sequence

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Alternative sequenceiVSP_018505227 – 245AVGSM…PENLN → SQGANQKKQARNSSPRTPS in isoform 2. 1 PublicationAdd BLAST19
Alternative sequenceiVSP_018506246 – 428Missing in isoform 2. 1 PublicationAdd BLAST183

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AK152757 mRNA Translation: BAE31472.1
BC052413 mRNA Translation: AAH52413.1
CCDSiCCDS18598.1 [Q7TN29-1]
RefSeqiNP_598477.2, NM_133716.3 [Q7TN29-1]
UniGeneiMm.271819

Genome annotation databases

EnsembliENSMUST00000043200; ENSMUSP00000035800; ENSMUSG00000032870 [Q7TN29-1]
GeneIDi69780
KEGGimmu:69780
UCSCiuc008unw.2 mouse [Q7TN29-1]

Keywords - Coding sequence diversityi

Alternative splicing

Similar proteinsi

Entry informationi

Entry nameiSMAP2_MOUSE
AccessioniPrimary (citable) accession number: Q7TN29
Secondary accession number(s): Q3U798
Entry historyiIntegrated into UniProtKB/Swiss-Prot: May 16, 2006
Last sequence update: October 1, 2003
Last modified: March 28, 2018
This is version 121 of the entry and version 1 of the sequence. See 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
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Main funding by: National Institutes of Health