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Q8ZQU3 (SDHA_SALTY) Reviewed, UniProtKB/Swiss-Prot

Last modified July 9, 2014. Version 95. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Succinate dehydrogenase flavoprotein subunit

EC=1.3.5.1
Gene names
Name:sdhA
Ordered Locus Names:STM0734
OrganismSalmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720) [Reference proteome] [HAMAP]
Taxonomic identifier99287 [NCBI]
Taxonomic lineageBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeSalmonella

Protein attributes

Sequence length588 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Function

Two distinct, membrane-bound, FAD-containing enzymes are responsible for the catalysis of fumarate and succinate interconversion; the fumarate reductase is used in anaerobic growth, and the succinate dehydrogenase is used in aerobic growth By similarity.

Catalytic activity

Succinate + a quinone = fumarate + a quinol.

Cofactor

FAD.

Pathway

Carbohydrate metabolism; tricarboxylic acid cycle; fumarate from succinate (bacterial route): step 1/1.

Subunit structure

Part of an enzyme complex containing four subunits: a flavoprotein, an iron-sulfur, cytochrome b-556, and a hydrophobic anchor protein By similarity.

Subcellular location

Cell inner membrane; Peripheral membrane protein; Cytoplasmic side By similarity.

Sequence similarities

Belongs to the FAD-dependent oxidoreductase 2 family. FRD/SDH subfamily.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 588588Succinate dehydrogenase flavoprotein subunit
PRO_0000158658

Regions

Nucleotide binding14 – 196FAD By similarity
Nucleotide binding37 – 5216FAD By similarity
Nucleotide binding404 – 4052FAD By similarity

Sites

Active site2861Proton acceptor By similarity
Binding site2211FAD By similarity
Binding site2421Substrate By similarity
Binding site2541Substrate By similarity
Binding site3541Substrate By similarity
Binding site3881FAD By similarity
Binding site3991Substrate By similarity

Amino acid modifications

Modified residue451Tele-8alpha-FAD histidine By similarity

Sequences

Sequence LengthMass (Da)Tools
Q8ZQU3 [UniParc].

Last modified March 1, 2002. Version 1.
Checksum: 260774C525A0AF0B

FASTA58864,462
        10         20         30         40         50         60 
MKLPVREFDA VVIGAGGAGM RAALQISQSG QTCALLSKVF PTRSHTVSAQ GGITVALGNT 

        70         80         90        100        110        120 
HEDNWEWHMY DTVKGSDYIG DQDAIEYMCK TGPEAILELE HMGLPFSRLD DGRIYQRPFG 

       130        140        150        160        170        180 
GQSKNFGGEQ AARTAAAADR TGHALLHTLY QQNLKNHTTI FSEWYALDLV KNQDGAVVGC 

       190        200        210        220        230        240 
TALCIETGEV VYFKARATVL ATGGAGRIYQ STTNAHINTG DGVGMALRAG VPVQDMEMWQ 

       250        260        270        280        290        300 
FHPTGIAGAG VLVTEGCRGE GGYLLNKHGE RFMERYAPNA KDLAGRDVVA RSIMIEIREG 

       310        320        330        340        350        360 
RGCDGPWGPH AKLKLDHLGK EVLESRLPGI LELSRTFAHV DPVKEPIPVI PTCHYMMGGI 

       370        380        390        400        410        420 
PTKVTGQALT VNEQGEDVVI PGLFAVGEIA CVSVHGANRL GGNSLLDLVV FGRAAGLHLQ 

       430        440        450        460        470        480 
ESIAEQGVLR DASESDVEGS LERLNRWNNN RNGEDPVAIR KALQECMQHN FSVFREGDAM 

       490        500        510        520        530        540 
AKGLEQLKVI RERLKNARLD DTSSEFNTQR VECLELDNLM ETAYATAVSA NFRTESRGAH 

       550        560        570        580 
SRFDFPERDD ANWLCHTLYQ PQTESMTRRS VNMEPKLRPA FPPKIRTY 

« Hide

References

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
AE006468 Genomic DNA. Translation: AAL19678.1.
RefSeqNP_459719.1. NC_003197.1.

3D structure databases

ProteinModelPortalQ8ZQU3.
SMRQ8ZQU3. Positions 1-588.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING99287.STM0734.

Proteomic databases

PaxDbQ8ZQU3.
PRIDEQ8ZQU3.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaAAL19678; AAL19678; STM0734.
GeneID1252254.
KEGGstm:STM0734.
PATRIC32379827. VBISalEnt20916_0766.

Phylogenomic databases

eggNOGCOG1053.
HOGENOMHOG000160475.
KOK00239.
OMARTEQGRI.
OrthoDBEOG6M3PC4.
PhylomeDBQ8ZQU3.

Enzyme and pathway databases

BioCycSENT99287:GCTI-738-MONOMER.
UniPathwayUPA00223; UER01005.

Family and domain databases

Gene3D1.20.58.100. 1 hit.
3.90.700.10. 1 hit.
InterProIPR003953. FAD_bind_dom.
IPR013027. FAD_pyr_nucl-diS_OxRdtase.
IPR003952. FRD_SDH_FAD_BS.
IPR015939. Fum_Rdtase/Succ_DH_flav-like_C.
IPR027477. Succ_DH/fumarate_Rdtase_cat.
IPR011281. Succ_DH_flav_su_fwd.
IPR014006. Succ_Dhase_FrdA_Gneg.
[Graphical view]
PfamPF00890. FAD_binding_2. 1 hit.
PF02910. Succ_DH_flav_C. 1 hit.
[Graphical view]
PRINTSPR00368. FADPNR.
SUPFAMSSF46977. SSF46977. 1 hit.
SSF56425. SSF56425. 1 hit.
TIGRFAMsTIGR01816. sdhA_forward. 1 hit.
TIGR01812. sdhA_frdA_Gneg. 1 hit.
PROSITEPS00504. FRD_SDH_FAD_BINDING. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameSDHA_SALTY
AccessionPrimary (citable) accession number: Q8ZQU3
Entry history
Integrated into UniProtKB/Swiss-Prot: June 6, 2002
Last sequence update: March 1, 2002
Last modified: July 9, 2014
This is version 95 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families

PATHWAY comments

Index of metabolic and biosynthesis pathways