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Q5RBT4

- IDH3B_PONAB

UniProt

Q5RBT4 - IDH3B_PONAB

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Protein

Isocitrate dehydrogenase [NAD] subunit beta, mitochondrial

Gene
IDH3B
Organism
Pongo abelii (Sumatran orangutan) (Pongo pygmaeus abelii)
Status
Reviewed - Annotation score: 4 out of 5 - Experimental evidence at transcript leveli

Functioni

Catalytic activityi

Isocitrate + NAD+ = 2-oxoglutarate + CO2 + NADH.

Cofactori

Binds 1 magnesium or manganese ion per subunit By similarity.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei133 – 1331Substrate By similarity
Binding sitei164 – 1641Substrate By similarity
Sitei218 – 2181Critical for catalysis By similarity
Metal bindingi251 – 2511Magnesium or manganese By similarity
Binding sitei251 – 2511Substrate By similarity

GO - Molecular functioni

  1. isocitrate dehydrogenase (NAD+) activity Source: UniProtKB-EC
  2. magnesium ion binding Source: InterPro
  3. NAD binding Source: InterPro

GO - Biological processi

  1. tricarboxylic acid cycle Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Tricarboxylic acid cycle

Keywords - Ligandi

Magnesium, Manganese, Metal-binding, NAD

Names & Taxonomyi

Protein namesi
Recommended name:
Isocitrate dehydrogenase [NAD] subunit beta, mitochondrial (EC:1.1.1.41)
Alternative name(s):
Isocitric dehydrogenase subunit beta
NAD(+)-specific ICDH subunit beta
Gene namesi
Name:IDH3B
OrganismiPongo abelii (Sumatran orangutan) (Pongo pygmaeus abelii)
Taxonomic identifieri9601 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaePongo
ProteomesiUP000001595: Unplaced

Subcellular locationi

Mitochondrion By similarity

GO - Cellular componenti

  1. mitochondrion Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Mitochondrion

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transit peptidei1 – 3434Mitochondrion By similarityAdd
BLAST
Chaini35 – 385351Isocitrate dehydrogenase [NAD] subunit beta, mitochondrialPRO_0000014446Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei199 – 1991N6-acetyllysine By similarity

Keywords - PTMi

Acetylation

Interactioni

Subunit structurei

Heterooligomer of subunits alpha, beta, and gamma in the apparent ratio of 2:1:1 By similarity.

Protein-protein interaction databases

IntActiQ5RBT4. 1 interaction.
MINTiMINT-6732825.

Structurei

3D structure databases

ProteinModelPortaliQ5RBT4.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transit peptide

Phylogenomic databases

HOVERGENiHBG052080.
InParanoidiQ5RBT4.
KOiK00030.

Family and domain databases

Gene3Di3.40.718.10. 1 hit.
InterProiIPR019818. IsoCit/isopropylmalate_DH_CS.
IPR001804. Isocitrate/isopropylmalate_DH.
IPR004434. Isocitrate_DH_NAD.
IPR024084. IsoPropMal-DH-like_dom.
[Graphical view]
PANTHERiPTHR11835. PTHR11835. 1 hit.
PfamiPF00180. Iso_dh. 1 hit.
[Graphical view]
TIGRFAMsiTIGR00175. mito_nad_idh. 1 hit.
PROSITEiPS00470. IDH_IMDH. 1 hit.
[Graphical view]

Sequences (2)i

Sequence statusi: Complete.

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

This entry describes 2 isoformsi produced by alternative splicing. Align

Isoform 1 (identifier: Q5RBT4-1) [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

MAAVSGVRWL TRALVSAGNP GAWRGLSTSA AAHAASRSQA EDVRVEGSFP    50
VTMLPGDGVG PELMHAVKEV FKAAAVPVEF QEHHLSEVQN MASEEKLEQV 100
LSSMKENKVA IIGKIHTPME YKGELASYDM RLRRKLDLFA NVVHVKSLPG 150
YMTRHNNLDL VIIREQTEGE CSSLEHESAR GVIECLKIVT RAKSQRIAKF 200
AFDYATKKGR SKVIAVHKAN IMKLGDGLFL QCCEEVAELY PKIKFETMII 250
DNCCMQLVQN PYQFDVLVMP NLYGNIIDNL AAGLVGGAGV VPGESYSAEY 300
AVFETGARHP FAQAVGRNIA NPTAMLLSAS NMLRHLNLEY HSSMIADAVK 350
KVIKVGKVRT RDMGGYSTTT DFIKSVIGHL HPHGS 385
Length:385
Mass (Da):42,166
Last modified:December 21, 2004 - v1
Checksum:i6341167AD11A7615
GO
Isoform 2 (identifier: Q5RBT4-2) [UniParc]FASTAAdd to Basket

The sequence of this isoform differs from the canonical sequence as follows:
     367-385: STTTDFIKSVIGHLHPHGS → ATCHDFTEAVIAALPHP

Note: No experimental confirmation available.

Show »
Length:383
Mass (Da):41,924
Checksum:iF83A0BB37A3BC6D1
GO

Alternative sequence

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Alternative sequencei367 – 38519STTTD…HPHGS → ATCHDFTEAVIAALPHP in isoform 2. VSP_014101Add
BLAST

Sequence conflict

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sequence conflicti171 – 1711C → Y in CAH90776. 1 Publication
Sequence conflicti361 – 3611R → S in CAH91961. 1 Publication

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CR858549 mRNA. Translation: CAH90776.1.
CR859803 mRNA. Translation: CAH91961.1.
RefSeqiNP_001125436.1. NM_001131964.1.

Genome annotation databases

GeneIDi100172344.
KEGGipon:100172344.

Keywords - Coding sequence diversityi

Alternative splicing

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CR858549 mRNA. Translation: CAH90776.1 .
CR859803 mRNA. Translation: CAH91961.1 .
RefSeqi NP_001125436.1. NM_001131964.1.

3D structure databases

ProteinModelPortali Q5RBT4.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

IntActi Q5RBT4. 1 interaction.
MINTi MINT-6732825.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 100172344.
KEGGi pon:100172344.

Organism-specific databases

CTDi 3420.

Phylogenomic databases

HOVERGENi HBG052080.
InParanoidi Q5RBT4.
KOi K00030.

Family and domain databases

Gene3Di 3.40.718.10. 1 hit.
InterProi IPR019818. IsoCit/isopropylmalate_DH_CS.
IPR001804. Isocitrate/isopropylmalate_DH.
IPR004434. Isocitrate_DH_NAD.
IPR024084. IsoPropMal-DH-like_dom.
[Graphical view ]
PANTHERi PTHR11835. PTHR11835. 1 hit.
Pfami PF00180. Iso_dh. 1 hit.
[Graphical view ]
TIGRFAMsi TIGR00175. mito_nad_idh. 1 hit.
PROSITEi PS00470. IDH_IMDH. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. The German cDNA consortium
    Submitted (NOV-2004) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORMS 1 AND 2).
    Tissue: Heart.

Entry informationi

Entry nameiIDH3B_PONAB
AccessioniPrimary (citable) accession number: Q5RBT4
Secondary accession number(s): Q5R8E9
Entry historyi
Integrated into UniProtKB/Swiss-Prot: June 21, 2005
Last sequence update: December 21, 2004
Last modified: October 16, 2013
This is version 60 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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