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Q66T47

- AVR2B_PIG

UniProt

Q66T47 - AVR2B_PIG

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Protein

Activin receptor type-2B

Gene

ACVR2B

Organism
Sus scrofa (Pig)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at transcript leveli

Functioni

Transmembrane serine/threonine kinase activin type-2 receptor forming an activin receptor complex with activin type-1 serine/threonine kinase receptors (ACVR1, ACVR1B or ACVR1c). Transduces the activin signal from the cell surface to the cytoplasm and is thus regulating many physiological and pathological processes including neuronal differentiation and neuronal survival, hair follicle development and cycling, FSH production by the pituitary gland, wound healing, extracellular matrix production, immunosuppression and carcinogenesis. Activin is also thought to have a paracrine or autocrine role in follicular development in the ovary. Within the receptor complex, the type-2 receptors act as a primary activin receptors (binds activin-A/INHBA, activin-B/INHBB as well as inhibin-A/INHA-INHBA). The type-1 receptors like ACVR1B act as downstream transducers of activin signals. Activin binds to type-2 receptor at the plasma membrane and activates its serine-threonine kinase. The activated receptor type-2 then phosphorylates and activates the type-1 receptor. Once activated, the type-1 receptor binds and phosphorylates the SMAD proteins SMAD2 and SMAD3, on serine residues of the C-terminal tail. Soon after their association with the activin receptor and subsequent phosphorylation, SMAD2 and SMAD3 are released into the cytoplasm where they interact with the common partner SMAD4. This SMAD complex translocates into the nucleus where it mediates activin-induced transcription. Inhibitory SMAD7, which is recruited to ACVR1B through FKBP1A, can prevent the association of SMAD2 and SMAD3 with the activin receptor complex, thereby blocking the activin signal. Activin signal transduction is also antagonized by the binding to the receptor of inhibin-B via the IGSF1 inhibin coreceptor (By similarity).By similarity

Catalytic activityi

ATP + [receptor-protein] = ADP + [receptor-protein] phosphate.

Cofactori

Mg2+By similarity, Mn2+By similarity

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei217 – 2171ATPPROSITE-ProRule annotation
Active sitei321 – 3211Proton acceptorPROSITE-ProRule annotation

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi196 – 2049ATPPROSITE-ProRule annotation

GO - Molecular functioni

  1. ATP binding Source: UniProtKB-KW
  2. metal ion binding Source: UniProtKB-KW
  3. receptor signaling protein serine/threonine kinase activity Source: InterPro
  4. transforming growth factor beta-activated receptor activity Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Kinase, Receptor, Serine/threonine-protein kinase, Transferase

Keywords - Ligandi

ATP-binding, Magnesium, Manganese, Metal-binding, Nucleotide-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Activin receptor type-2B (EC:2.7.11.30)
Alternative name(s):
Activin receptor type IIB
Short name:
ACTR-IIB
Gene namesi
Name:ACVR2B
OrganismiSus scrofa (Pig)
Taxonomic identifieri9823 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaLaurasiatheriaCetartiodactylaSuinaSuidaeSus
ProteomesiUP000008227: Unplaced

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Topological domaini19 – 137119ExtracellularSequence AnalysisAdd
BLAST
Transmembranei138 – 15821HelicalSequence AnalysisAdd
BLAST
Topological domaini159 – 512354CytoplasmicSequence AnalysisAdd
BLAST

GO - Cellular componenti

  1. integral component of membrane Source: UniProtKB-KW
  2. plasma membrane Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Cell membrane, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Signal peptidei1 – 1818Sequence AnalysisAdd
BLAST
Chaini19 – 512494Activin receptor type-2BPRO_0000234419Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Disulfide bondi29 ↔ 59By similarity
Glycosylationi42 – 421N-linked (GlcNAc...)Sequence Analysis
Disulfide bondi49 ↔ 77By similarity
Glycosylationi65 – 651N-linked (GlcNAc...)Sequence Analysis
Disulfide bondi84 ↔ 103By similarity
Disulfide bondi90 ↔ 102By similarity
Disulfide bondi104 ↔ 109By similarity

Post-translational modificationi

Phosphorylated. Constitutive phosphorylation is in part catalyzed by its own kinase activity (By similarity).By similarity

Keywords - PTMi

Disulfide bond, Glycoprotein, Phosphoprotein

Interactioni

Subunit structurei

Forms an activin receptor complex with activin type II receptors such as ACVR1B. Interacts with VPS39.By similarity

Protein-protein interaction databases

STRINGi9823.ENSSSCP00000012002.

Structurei

3D structure databases

ProteinModelPortaliQ66T47.
SMRiQ66T47. Positions 24-117, 190-484.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini190 – 480291Protein kinasePROSITE-ProRule annotationAdd
BLAST

Sequence similaritiesi

Contains 1 protein kinase domain.PROSITE-ProRule annotation

Keywords - Domaini

Signal, Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiCOG0515.
HOGENOMiHOG000231495.
HOVERGENiHBG054502.
InParanoidiQ66T47.
KOiK13596.

Family and domain databases

InterProiIPR000472. Activin_rcpt.
IPR011009. Kinase-like_dom.
IPR000719. Prot_kinase_dom.
IPR008271. Ser/Thr_kinase_AS.
IPR000333. TGFB_receptor.
[Graphical view]
PANTHERiPTHR23255. PTHR23255. 1 hit.
PfamiPF01064. Activin_recp. 1 hit.
PF00069. Pkinase. 1 hit.
[Graphical view]
PRINTSiPR00653. ACTIVIN2R.
SUPFAMiSSF56112. SSF56112. 1 hit.
PROSITEiPS50011. PROTEIN_KINASE_DOM. 1 hit.
PS00108. PROTEIN_KINASE_ST. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

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

Q66T47-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MTAPWAALAL LWGSLCVGSG RGEAETRECI YYNANWELER TNQSGLERCE
60 70 80 90 100
GEQDKRLHCY ASWRNSSGTI ELVKKGCWLD DFNCYDRQEC VATEENPQVY
110 120 130 140 150
FCCCEGNFCN ERFTHLPEAG GPEVTYEPPP TAPTLLTVLA YSLLPIGGLS
160 170 180 190 200
LIVLLAFWMY RHRKPPYGHV DIHEDPGPPP PSPLVGLKPL QLLEIKARGR
210 220 230 240 250
FGCVWKAQLM NDFVAVKIFP LQDKQSWQSE REIFSTPGMK HENLLQFIAA
260 270 280 290 300
EKRGSNLEVE LWLITAFHDK GSLTDYLKGN IITWNELCHV AETMSRGLSY
310 320 330 340 350
LHEDVPWCRG EGHKPSIAHR DFKSKNVLLK SDLTAVLADF GLAVRFEPGK
360 370 380 390 400
PPGDTHGQVG TRRYMAPEVL EGAINFQRNA FLRIDMYAMG LVLWELVSRC
410 420 430 440 450
KAADGPVDEY MLPFEEEIGQ HPSLEELQEV VVHKKMRPAI KDHWLKHPGL
460 470 480 490 500
AQLCVTIEEC WDHDAEARLS AGCVEERVSL IRRSVNGTTS DCLVSLVTSV
510
TNVDLPPKES SI
Length:512
Mass (Da):57,693
Last modified:October 11, 2004 - v1
Checksum:i59A5A00239A92EAC
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AY705387 mRNA. Translation: AAU07920.1.
RefSeqiNP_001005350.1. NM_001005350.1.
UniGeneiSsc.42773.

Genome annotation databases

GeneIDi448845.
KEGGissc:448845.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AY705387 mRNA. Translation: AAU07920.1 .
RefSeqi NP_001005350.1. NM_001005350.1.
UniGenei Ssc.42773.

3D structure databases

ProteinModelPortali Q66T47.
SMRi Q66T47. Positions 24-117, 190-484.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 9823.ENSSSCP00000012002.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 448845.
KEGGi ssc:448845.

Organism-specific databases

CTDi 93.

Phylogenomic databases

eggNOGi COG0515.
HOGENOMi HOG000231495.
HOVERGENi HBG054502.
InParanoidi Q66T47.
KOi K13596.

Family and domain databases

InterProi IPR000472. Activin_rcpt.
IPR011009. Kinase-like_dom.
IPR000719. Prot_kinase_dom.
IPR008271. Ser/Thr_kinase_AS.
IPR000333. TGFB_receptor.
[Graphical view ]
PANTHERi PTHR23255. PTHR23255. 1 hit.
Pfami PF01064. Activin_recp. 1 hit.
PF00069. Pkinase. 1 hit.
[Graphical view ]
PRINTSi PR00653. ACTIVIN2R.
SUPFAMi SSF56112. SSF56112. 1 hit.
PROSITEi PS50011. PROTEIN_KINASE_DOM. 1 hit.
PS00108. PROTEIN_KINASE_ST. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Complete sequence of activin receptor IIB cDNA in boars."
    Song J.H., Wise T.H., Ford J.J.
    Submitted (AUG-2004) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].

Entry informationi

Entry nameiAVR2B_PIG
AccessioniPrimary (citable) accession number: Q66T47
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 16, 2006
Last sequence update: October 11, 2004
Last modified: November 26, 2014
This is version 77 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