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B0BM36

- SDHB_XENTR

UniProt

B0BM36 - SDHB_XENTR

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Protein

Succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrial

Gene

sdhb

Organism
Xenopus tropicalis (Western clawed frog) (Silurana tropicalis)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at transcript leveli

Functioni

Iron-sulfur protein (IP) subunit of succinate dehydrogenase (SDH) that is involved in complex II of the mitochondrial electron transport chain and is responsible for transferring electrons from succinate to ubiquinone (coenzyme Q).By similarity

Catalytic activityi

Succinate + a quinone = fumarate + a quinol.

Cofactori

Protein has several cofactor binding sites:

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi97 – 971Iron-sulfur 1 (2Fe-2S)By similarity
Metal bindingi102 – 1021Iron-sulfur 1 (2Fe-2S)By similarity
Metal bindingi105 – 1051Iron-sulfur 1 (2Fe-2S)By similarity
Metal bindingi117 – 1171Iron-sulfur 1 (2Fe-2S)By similarity
Metal bindingi190 – 1901Iron-sulfur 2 (4Fe-4S)By similarity
Metal bindingi193 – 1931Iron-sulfur 2 (4Fe-4S)By similarity
Metal bindingi196 – 1961Iron-sulfur 2 (4Fe-4S)By similarity
Metal bindingi200 – 2001Iron-sulfur 3 (3Fe-4S)By similarity
Binding sitei205 – 2051Ubiquinone; shared with dhsdBy similarity
Metal bindingi247 – 2471Iron-sulfur 3 (3Fe-4S)By similarity
Metal bindingi253 – 2531Iron-sulfur 3 (3Fe-4S)By similarity
Metal bindingi257 – 2571Iron-sulfur 2 (4Fe-4S)By similarity

GO - Molecular functioni

  1. 2 iron, 2 sulfur cluster binding Source: UniProtKB
  2. 3 iron, 4 sulfur cluster binding Source: UniProtKB
  3. 4 iron, 4 sulfur cluster binding Source: UniProtKB
  4. electron carrier activity Source: InterPro
  5. metal ion binding Source: UniProtKB-KW
  6. succinate dehydrogenase (ubiquinone) activity Source: UniProtKB-EC
  7. ubiquinone binding Source: UniProtKB

GO - Biological processi

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

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Electron transport, Transport, Tricarboxylic acid cycle

Keywords - Ligandi

2Fe-2S, 3Fe-4S, 4Fe-4S, Iron, Iron-sulfur, Metal-binding

Enzyme and pathway databases

ReactomeiREACT_216811. Respiratory electron transport.
REACT_236407. Citric acid cycle (TCA cycle).
UniPathwayiUPA00223; UER01006.

Names & Taxonomyi

Protein namesi
Recommended name:
Succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrial (EC:1.3.5.1)
Alternative name(s):
Iron-sulfur subunit of complex II
Short name:
Ip
Gene namesi
Name:sdhb
OrganismiXenopus tropicalis (Western clawed frog) (Silurana tropicalis)
Taxonomic identifieri8364 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiAmphibiaBatrachiaAnuraPipoideaPipidaeXenopodinaeXenopusSilurana
ProteomesiUP000008143: Unplaced

Organism-specific databases

XenbaseiXB-GENE-970193. sdhb.

Subcellular locationi

Mitochondrion inner membrane By similarity; Peripheral membrane protein By similarity; Matrix side By similarity

GO - Cellular componenti

  1. mitochondrial inner membrane Source: UniProtKB
  2. mitochondrial respiratory chain complex II Source: UniProtKB
Complete GO annotation...

Keywords - Cellular componenti

Membrane, Mitochondrion, Mitochondrion inner membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transit peptidei1 – 2626MitochondrionBy similarityAdd
BLAST
Chaini27 – 284258Succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrialPRO_0000343803Add
BLAST

Proteomic databases

PaxDbiB0BM36.

Expressioni

Gene expression databases

BgeeiB0BM36.

Interactioni

Subunit structurei

Component of complex II composed of four subunits: the flavoprotein (FP) sdha, iron-sulfur protein (IP) sdhb, and a cytochrome b composed of sdhc and sdhd.By similarity

Protein-protein interaction databases

STRINGi8364.ENSXETP00000029442.

Structurei

3D structure databases

ProteinModelPortaliB0BM36.
SMRiB0BM36. Positions 42-279.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini44 – 137942Fe-2S ferredoxin-typePROSITE-ProRule annotationAdd
BLAST
Domaini180 – 210314Fe-4S ferredoxin-typePROSITE-ProRule annotationAdd
BLAST

Sequence similaritiesi

Contains 1 2Fe-2S ferredoxin-type domain.PROSITE-ProRule annotation
Contains 1 4Fe-4S ferredoxin-type domain.PROSITE-ProRule annotation

Keywords - Domaini

Transit peptide

Phylogenomic databases

eggNOGiCOG0479.
GeneTreeiENSGT00390000013558.
HOGENOMiHOG000160590.
HOVERGENiHBG005483.
InParanoidiB0BM36.
KOiK00235.
OMAiQYEKIRP.
OrthoDBiEOG7H4DTN.
TreeFamiTF300754.

Family and domain databases

Gene3Di3.10.20.30. 1 hit.
InterProiIPR001041. 2Fe-2S_ferredoxin-type.
IPR006058. 2Fe2S_fd_BS.
IPR017896. 4Fe4S_Fe-S-bd.
IPR017900. 4Fe4S_Fe_S_CS.
IPR012675. Beta-grasp_dom.
IPR009051. Helical_ferredxn.
IPR004489. Succ_DH/fum_Rdtase_Fe-S.
IPR025192. Succ_DH/fum_Rdtase_N.
[Graphical view]
PfamiPF13085. Fer2_3. 1 hit.
[Graphical view]
SUPFAMiSSF46548. SSF46548. 1 hit.
SSF54292. SSF54292. 1 hit.
TIGRFAMsiTIGR00384. dhsB. 1 hit.
PROSITEiPS00197. 2FE2S_FER_1. 1 hit.
PS51085. 2FE2S_FER_2. 1 hit.
PS00198. 4FE4S_FER_1. 1 hit.
PS51379. 4FE4S_FER_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

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

B0BM36-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MAAVVFSLRR SGPVFRLPGV LQVCRGAQTA AAAAPASQAE ARIKKFAIYR
60 70 80 90 100
WDPDKPGDKP RMQTYEVDLN ECGSMVLDAL IKIKNEMDPT LTFRRSCREG
110 120 130 140 150
ICGSCAMNIN GGNTLACTVR IDTNLSKVSK IYPLPHMYVV KDLVPDLSNF
160 170 180 190 200
YAQYKSIEPY LKKKDESQEG KEQYLQSIED RDKLDGLYEC ILCACCSTSC
210 220 230 240 250
PSYWWNADKY LGPAVLMQAY RWMIDSRDDY TEERLAKLQD PFSLYRCHTI
260 270 280
MNCTRTCPKG LNPGKAIAEI KKMMATYKER AASV
Length:284
Mass (Da):32,087
Last modified:February 26, 2008 - v1
Checksum:i88CCE71B1DCB3D6C
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BC158270 mRNA. Translation: AAI58271.1.
RefSeqiNP_001120000.1. NM_001126528.1.
UniGeneiStr.51669.

Genome annotation databases

EnsembliENSXETT00000029442; ENSXETP00000029442; ENSXETG00000013435.
GeneIDi100144957.
KEGGixtr:100144957.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BC158270 mRNA. Translation: AAI58271.1 .
RefSeqi NP_001120000.1. NM_001126528.1.
UniGenei Str.51669.

3D structure databases

ProteinModelPortali B0BM36.
SMRi B0BM36. Positions 42-279.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 8364.ENSXETP00000029442.

Proteomic databases

PaxDbi B0BM36.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

Ensembli ENSXETT00000029442 ; ENSXETP00000029442 ; ENSXETG00000013435 .
GeneIDi 100144957.
KEGGi xtr:100144957.

Organism-specific databases

CTDi 6390.
Xenbasei XB-GENE-970193. sdhb.

Phylogenomic databases

eggNOGi COG0479.
GeneTreei ENSGT00390000013558.
HOGENOMi HOG000160590.
HOVERGENi HBG005483.
InParanoidi B0BM36.
KOi K00235.
OMAi QYEKIRP.
OrthoDBi EOG7H4DTN.
TreeFami TF300754.

Enzyme and pathway databases

UniPathwayi UPA00223 ; UER01006 .
Reactomei REACT_216811. Respiratory electron transport.
REACT_236407. Citric acid cycle (TCA cycle).

Gene expression databases

Bgeei B0BM36.

Family and domain databases

Gene3Di 3.10.20.30. 1 hit.
InterProi IPR001041. 2Fe-2S_ferredoxin-type.
IPR006058. 2Fe2S_fd_BS.
IPR017896. 4Fe4S_Fe-S-bd.
IPR017900. 4Fe4S_Fe_S_CS.
IPR012675. Beta-grasp_dom.
IPR009051. Helical_ferredxn.
IPR004489. Succ_DH/fum_Rdtase_Fe-S.
IPR025192. Succ_DH/fum_Rdtase_N.
[Graphical view ]
Pfami PF13085. Fer2_3. 1 hit.
[Graphical view ]
SUPFAMi SSF46548. SSF46548. 1 hit.
SSF54292. SSF54292. 1 hit.
TIGRFAMsi TIGR00384. dhsB. 1 hit.
PROSITEi PS00197. 2FE2S_FER_1. 1 hit.
PS51085. 2FE2S_FER_2. 1 hit.
PS00198. 4FE4S_FER_1. 1 hit.
PS51379. 4FE4S_FER_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. NIH - Xenopus Gene Collection (XGC) project
    Submitted (JAN-2008) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
    Tissue: Testis.

Entry informationi

Entry nameiSDHB_XENTR
AccessioniPrimary (citable) accession number: B0BM36
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 22, 2008
Last sequence update: February 26, 2008
Last modified: November 26, 2014
This is version 53 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. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3