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Q3T0L2

- ERP44_BOVIN

UniProt

Q3T0L2 - ERP44_BOVIN

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Protein
Endoplasmic reticulum resident protein 44
Gene
ERP44, TXNDC4
Organism
Bos taurus (Bovine)
Status
Reviewed - Annotation score: 3 out of 5 - Experimental evidence at transcript leveli

Functioni

Mediates thiol-dependent retention in the early secretory pathway, forming mixed disulfides with substrate proteins through its conserved CRFS motif. Inhibits the calcium channel activity of ITPR1. May have a role in the control of oxidative protein folding in the endoplasmic reticulum. Required to retain ERO1L and ERO1LB in the endoplasmic reticulum By similarity.

GO - Molecular functioni

  1. protein disulfide isomerase activity Source: RefGenome
Complete GO annotation...

GO - Biological processi

  1. cell redox homeostasis Source: InterPro
  2. glycoprotein metabolic process Source: Ensembl
  3. protein folding Source: RefGenome
  4. response to endoplasmic reticulum stress Source: RefGenome
  5. response to unfolded protein Source: Ensembl
Complete GO annotation...

Keywords - Molecular functioni

Chaperone

Names & Taxonomyi

Protein namesi
Recommended name:
Endoplasmic reticulum resident protein 44
Short name:
ER protein 44
Short name:
ERp44
Alternative name(s):
Thioredoxin domain-containing protein 4
Gene namesi
Name:ERP44
Synonyms:TXNDC4
OrganismiBos taurus (Bovine)
Taxonomic identifieri9913 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaLaurasiatheriaCetartiodactylaRuminantiaPecoraBovidaeBovinaeBos
ProteomesiUP000009136: Chromosome 8

Subcellular locationi

GO - Cellular componenti

  1. cell surface Source: Ensembl
  2. endoplasmic reticulum Source: RefGenome
  3. endoplasmic reticulum lumen Source: UniProtKB-SubCell
  4. endoplasmic reticulum membrane Source: Ensembl
  5. endoplasmic reticulum-Golgi intermediate compartment Source: Ensembl
Complete GO annotation...

Keywords - Cellular componenti

Endoplasmic reticulum

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Signal peptidei1 – 2929 By similarity
Add
BLAST
Chaini30 – 406377Endoplasmic reticulum resident protein 44
PRO_0000239989Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Disulfide bondi189 ↔ 241 By similarity
Disulfide bondi301 ↔ 318 By similarity

Keywords - PTMi

Disulfide bond

Proteomic databases

PRIDEiQ3T0L2.

Interactioni

Subunit structurei

Forms mixed disulfides with both ERO1L and ERO1LB and cargo folding intermediates. Directly interacts with ITPR1 in a pH-, redox state- and calcium-dependent manner, but not with ITPR2 or ITPR3. The strength of this interaction inversely correlates with calcium concentration By similarity.

Protein-protein interaction databases

STRINGi9913.ENSBTAP00000012930.

Structurei

3D structure databases

ProteinModelPortaliQ3T0L2.
SMRiQ3T0L2. Positions 33-401.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini30 – 138109Thioredoxin
Add
BLAST

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni236 – 28550Interaction with ITPR1 By similarity
Add
BLAST

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi403 – 4064Prevents secretion from ER Reviewed prediction

Sequence similaritiesi

Contains 1 thioredoxin domain.

Keywords - Domaini

Signal

Phylogenomic databases

eggNOGiCOG0526.
GeneTreeiENSGT00740000115037.
HOGENOMiHOG000007707.
InParanoidiQ3T0L2.
KOiK17264.
OMAiENAPDMV.
OrthoDBiEOG718KCX.
TreeFamiTF106378.

Family and domain databases

Gene3Di3.40.30.10. 2 hits.
InterProiIPR012336. Thioredoxin-like_fold.
IPR013766. Thioredoxin_domain.
[Graphical view]
PfamiPF00085. Thioredoxin. 1 hit.
[Graphical view]
SUPFAMiSSF52833. SSF52833. 3 hits.
PROSITEiPS00014. ER_TARGET. 1 hit.
PS51352. THIOREDOXIN_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

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

Q3T0L2-1 [UniParc]FASTAAdd to Basket

« Hide

MIPGIFLSLP DLRCSLLLLV TWVFTPVTAE IISLDTENID DILNNADVAL    50
VNFYADWCRF SQMLHPIFEE ASNVIKEEYP NANQVVFARV DCDQHSDIAQ 100
RYRISKYPTL KLFRNGMMMK REYRGQRSVK ALADYIRQQK SDPIQELHDL 150
AEITTPDRSK RNIIGYFEQK DSENYRVFER VANILHDDCA FLAAFGVVSK 200
PERYSGDNIV YKPPGHSAPD MVYLGSMTNF DGTYNWIQDK CVPLVREITF 250
ENGEELTEEG LPFLILFHMK EDTESLEIFQ NEVARQLISE KGTINFLHAD 300
CDKFRHPLLH IQKTPADCPV IAIDSFRHMY VFGDFRDVLI PGKLKQFVFD 350
LHSGKLHREF HHGPDPTDTA PGEEVQDVAS SPPESSFQKL APSEYRYTLL 400
RDRDEL 406
Length:406
Mass (Da):46,836
Last modified:October 11, 2005 - v1
Checksum:i37158394A8BE4075
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
BC102349 mRNA. Translation: AAI02350.1.
RefSeqiNP_001030204.1. NM_001035032.2.
UniGeneiBt.89221.

Genome annotation databases

EnsembliENSBTAT00000012930; ENSBTAP00000012930; ENSBTAG00000009804.
GeneIDi506157.
KEGGibta:506157.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
BC102349 mRNA. Translation: AAI02350.1 .
RefSeqi NP_001030204.1. NM_001035032.2.
UniGenei Bt.89221.

3D structure databases

ProteinModelPortali Q3T0L2.
SMRi Q3T0L2. Positions 33-401.
ModBasei Search...

Protein-protein interaction databases

STRINGi 9913.ENSBTAP00000012930.

Proteomic databases

PRIDEi Q3T0L2.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

Ensembli ENSBTAT00000012930 ; ENSBTAP00000012930 ; ENSBTAG00000009804 .
GeneIDi 506157.
KEGGi bta:506157.

Organism-specific databases

CTDi 23071.

Phylogenomic databases

eggNOGi COG0526.
GeneTreei ENSGT00740000115037.
HOGENOMi HOG000007707.
InParanoidi Q3T0L2.
KOi K17264.
OMAi ENAPDMV.
OrthoDBi EOG718KCX.
TreeFami TF106378.

Miscellaneous databases

NextBioi 20867475.

Family and domain databases

Gene3Di 3.40.30.10. 2 hits.
InterProi IPR012336. Thioredoxin-like_fold.
IPR013766. Thioredoxin_domain.
[Graphical view ]
Pfami PF00085. Thioredoxin. 1 hit.
[Graphical view ]
SUPFAMi SSF52833. SSF52833. 3 hits.
PROSITEi PS00014. ER_TARGET. 1 hit.
PS51352. THIOREDOXIN_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. NIH - Mammalian Gene Collection (MGC) project
    Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
    Strain: Crossbred X Angus.
    Tissue: Ileum.

Entry informationi

Entry nameiERP44_BOVIN
AccessioniPrimary (citable) accession number: Q3T0L2
Entry historyi
Integrated into UniProtKB/Swiss-Prot: June 13, 2006
Last sequence update: October 11, 2005
Last modified: May 14, 2014
This is version 71 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

External Data

Dasty 3

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