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P22318 (HOXU_CUPNH) Reviewed, UniProtKB/Swiss-Prot

Last modified January 25, 2012. Version 96. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (1) | Third-party data text xml rdf/xml gff fasta
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Names and origin

Protein namesRecommended name:
NAD-reducing hydrogenase hoxS subunit gamma

EC=1.12.1.2
Gene names
Name:hoxU
Ordered Locus Names:PHG089
Encoded onPlasmid megaplasmid pHG1
OrganismCupriavidus necator (strain ATCC 17699 / H16 / DSM 428 / Stanier 337) (Ralstonia eutropha) [Complete proteome] [HAMAP]
Taxonomic identifier381666 [NCBI]
Taxonomic lineageBacteriaProteobacteriaBetaproteobacteriaBurkholderialesBurkholderiaceaeCupriavidus

Protein attributes

Sequence length234 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is further processed into a mature form.
Protein existenceEvidence at protein level

General annotation (Comments)

Function

Subunits alpha and gamma of hoxS constitute an NADH--oxidoreductase.

Catalytic activity

H2 + NAD+ = H+ + NADH.

Cofactor

Binds 3 4Fe-4S clusters per subunit Potential.

Subunit structure

Tetramer of an alpha and a gamma subunits (flavin-containing dimer), and a delta and a nickel-containing beta subunits (hydrogenase dimer).

Subcellular location

Cytoplasm.

Sequence similarities

Belongs to the complex I 75 kDa subunit family.

Contains 1 2Fe-2S ferredoxin-type domain.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Initiator methionine11Removed Ref.3
Chain2 – 234233NAD-reducing hydrogenase hoxS subunit gamma
PRO_0000118538

Regions

Domain2 – 77762Fe-2S ferredoxin-type

Sites

Metal binding351Iron-sulfur 1 (2Fe-2S) By similarity
Metal binding461Iron-sulfur 1 (2Fe-2S) By similarity
Metal binding491Iron-sulfur 1 (2Fe-2S) By similarity
Metal binding611Iron-sulfur 1 (2Fe-2S) By similarity
Metal binding951Iron-sulfur 2 (4Fe-4S); via pros nitrogen By similarity
Metal binding971Iron-sulfur 2 (4Fe-4S) By similarity
Metal binding1001Iron-sulfur 2 (4Fe-4S) By similarity
Metal binding1061Iron-sulfur 2 (4Fe-4S) By similarity
Metal binding1451Iron-sulfur 3 (4Fe-4S) By similarity
Metal binding1481Iron-sulfur 3 (4Fe-4S) By similarity
Metal binding1511Iron-sulfur 3 (4Fe-4S) By similarity
Metal binding1981Iron-sulfur 3 (4Fe-4S) By similarity

Sequences

Sequence LengthMass (Da)Tools
P22318 [UniParc].

Last modified January 23, 2007. Version 2.
Checksum: 38E59021F7B82A2E

FASTA23426,173
        10         20         30         40         50         60 
MSIQITIDGK TLTTEEGRTL VDVAAENGVY IPTLCYLKDK PCLGTCRVCS VKVNGNVAAA 

        70         80         90        100        110        120 
CTVRVSKGLN VEVNDPELVD MRKALVEFLF AEGNHNCPSC EKSGRCQLQA VGYEVDMMVS 

       130        140        150        160        170        180 
RFPYRFPVRV VDHASEKIWL ERDRCIFCQR CVEFIRDKAS GRKIFSISHR GPESRIEIDA 

       190        200        210        220        230 
ELANAMPPEQ VKEAVAICPV GTILEKRVGY DDPIGRRKYE IQSVRARALE GEDK 

« Hide

References

« Hide 'large scale' references
[1]"Cloning and nucleotide sequences of the genes for the subunits of NAD-reducing hydrogenase of Alcaligenes eutrophus H16."
Tran-Betcke A., Warnecke U., Boecker C., Zaborosch C., Friedrich B.
J. Bacteriol. 172:2920-2929(1990) [PubMed: 2188945] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
[2]"Complete nucleotide sequence of pHG1: a Ralstonia eutropha H16 megaplasmid encoding key enzymes of H(2)-based lithoautotrophy and anaerobiosis."
Schwartz E., Henne A., Cramm R., Eitinger T., Friedrich B., Gottschalk G.
J. Mol. Biol. 332:369-383(2003) [PubMed: 12948488] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: ATCC 17699 / H16 / DSM 428 / Stanier 337.
[3]"Comparison of the NH2-terminal amino acid sequences of the four non-identical subunits of the NAD-linked hydrogenases from Nocardia opaca 1b and Alcaligenes eutrophus H16."
Zaborosch C., Schneider K., Schlegel H.G., Kratzin H.
Eur. J. Biochem. 181:175-180(1989) [PubMed: 2496982] [Abstract]
Cited for: PROTEIN SEQUENCE OF 2-26.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
M55230 Genomic DNA. Translation: AAC06141.1.
AY305378 Genomic DNA. Translation: AAP85842.1.
PIRB35385.
RefSeqNP_942728.1. NC_005241.1.

3D structure databases

ProteinModelPortalP22318.
ModBaseSearch...

Protein-protein interaction databases

STRINGP22318.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

GeneID2656815.
GenomeReviewsGene locus PHG089 in contig AY305378_GR.
KEGGreh:PHG089.
PATRIC35228788. VBIRalEut6770_0066.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG1034.
HOGENOMHBG583502.
OMADEIEGAH.
ProtClustDBCLSK923808.

Enzyme and pathway databases

BioCycMetaCyc:HOXUALCA-MONOMER.
REUT381666:PHG089-MONOMER.
BRENDA1.12.1.2. 7290.

Family and domain databases

InterProIPR012675. Beta-grasp_ferredoxin-type.
IPR001041. Ferredoxin.
IPR016214. NAD-red_Hydgase_HoxU.
IPR000283. NADH_UbQ_OxRdtase_75kDa_su_CS.
IPR019574. NADH_UbQ_OxRdtase_Gsu_4Fe4S-bd.
[Graphical view]
Gene3DG3DSA:3.10.20.30. Ferredoxin_fold. 1 hit.
KOK00436.
PfamPF00111. Fer2. 1 hit.
PF10588. NADH-G_4Fe-4S_3. 1 hit.
[Graphical view]
PIRSFPIRSF000309. NAD_red_hyd_HoxU. 1 hit.
SMARTSM00929. NADH-G_4Fe-4S_3. 1 hit.
[Graphical view]
SUPFAMSSF54292. Ferredoxin. 1 hit.
PROSITEPS00197. 2FE2S_FER_1. False negative.
PS51085. 2FE2S_FER_2. 1 hit.
PS00641. COMPLEX1_75K_1. 1 hit.
PS00642. COMPLEX1_75K_2. 1 hit.
PS00643. COMPLEX1_75K_3. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameHOXU_CUPNH
AccessionPrimary (citable) accession number: P22318
Entry history
Integrated into UniProtKB/Swiss-Prot: August 1, 1991
Last sequence update: January 23, 2007
Last modified: January 25, 2012
This is version 96 of the entry and version 2 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