Reviewed, UniProtKB/Swiss-Prot Q8FB93 (STHA_ECOL6)

Names and origin

Protein names

Recommended name:
    Soluble pyridine nucleotide transhydrogenase
      Short name=STH
    EC=1.6.1.1
Alternative name(s):
    NAD(P)(+) transhydrogenase [B-specific]

Gene names

Name:	sthA
Synonyms:	udhA
Ordered Locus Names:	c4923

Organism

Escherichia coli O6 [Complete proteome] [HAMAP]

Taxonomic identifier

217992 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length	466 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Conversion of NADPH, generated by peripheral catabolic pathways, to NADH, which can enter the respiratory chain for energy generation By similarity. HAMAP MF_00247
Catalytic activity	NADPH + NAD+ = NADP+ + NADH. HAMAP MF_00247
Cofactor	Binds 1 FAD per subunit By similarity. HAMAP MF_00247
Subunit structure	Homooligomer; probable homooctamer By similarity. HAMAP MF_00247
Subcellular location	Cytoplasm By similarity HAMAP MF_00247.
Sequence similarities	Belongs to the class-I pyridine nucleotide-disulfide oxidoreductase family.

Ontologies

Keywords
Cellular component	Cytoplasm
Ligand	FAD Flavoprotein NAD NADP
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	NADP metabolic process Inferred from electronic annotation. Source: HAMAP cell redox homeostasis Inferred from electronic annotation. Source: InterPro oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	FAD binding Inferred from electronic annotation. Source: InterPro NAD(P)+ transhydrogenase (B-specific) activity Inferred from electronic annotation. Source: HAMAP
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Initiator methionine	1	1	Removed By similarity
	Chain	2 – 466	465	Soluble pyridine nucleotide transhydrogenase HAMAP MF_00247		PRO_0000068062
Regions
	Nucleotide binding	36 – 45	10	FAD By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q8FB93-1 [UniParc]. Last modified January 23, 2007. Version 3. Checksum: AF61E5D1E2C582F2	FASTA	466	51,573
	10 20 30 40 50 60 MPHSYDYDAI VIGSGPGGEG AAMGLVKQGA RVAVIERYQN VGGGCTHWGT IPSKALRHAV 70 80 90 100 110 120 SRIIEFNQNP LYSDHSRLLR SSFADILNHA DNVINQQTRM RQGFYERNHC EILQGNARFV 130 140 150 160 170 180 DEHTLALDCP DGSVETLTAE KFVIACGSRP YHPTDVDFTH PRIYDSDSIL SMHHEPRHVL 190 200 210 220 230 240 IYGAGVIGCE YASIFRGMDV KVDLINTRDR LLAFLDQEMS DSLSYHFWNS GVVIRHNEEY 250 260 270 280 290 300 EKIEGCDDGV IMHLKSGKKL KADCLLYANG RTGNTDSLAL QNIGLETDSR GQLKVNSMYQ 310 320 330 340 350 360 TAQPHVYAVG DVIGYPSLAS AAYDQGRIAA QALVKGEANA HLIEDIPTGI YTIPEISSVG 370 380 390 400 410 420 KTEQQLTAMK VPYEVGRAQF KHLARAQIVG MNVGTLKILF HRETKEILGI HCFGERAAEI 430 440 450 460 IHIGQAIMEQ KGGGNTIEYF VNTTFNYPTM AEAYRVAALN GLNRLF

References

[1]

"Extensive mosaic structure revealed by the complete genome sequence of uropathogenic Escherichia coli." Welch R.A., Burland V., Plunkett G. III, Redford P., Roesch P., Rasko D., Buckles E.L., Liou S.-R., Boutin A., Hackett J., Stroud D., Mayhew G.F., Rose D.J., Zhou S., Schwartz D.C., Perna N.T., Mobley H.L.T., Donnenberg M.S., Blattner F.R. Proc. Natl. Acad. Sci. U.S.A. 99:17020-17024(2002) [PubMed: 12471157] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: O6:H1 / CFT073 / ATCC 700928 / UPEC.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AE014075 Genomic DNA. Translation: AAN83351.1.
RefSeq	NP_756777.1.
3D structure databases
SMR	Q8FB93. Positions 7-464.
ModBase	Search...
Genome annotation databases
GeneID	1040055.
GenomeReviews	Gene locus c4923 in contig AE014075_GR.
KEGG	ecc:c4923.
NMPDR	fig|199310.1.peg.4820.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	HBG515043.
OMA	RDIGEPR.
Enzyme and pathway databases
BRENDA	1.6.1.1. 292881.
Family and domain databases
HAMAP	MF_00247. SthA. [Tree]
InterPro	IPR016156. FAD/NAD-linked_Rdtase_dimer. IPR013027. FAD_pyr_nucl-diS_OxRdtase. IPR000815. Hg_reductase. IPR004099. Pyr_nucl-diS_OxRdtase_dimer. IPR001327. Pyr_OxRdtase_NAD_bd. [Graphical view]
Gene3D	G3DSA:3.30.390.30. Pyr_redox_dim. 1 hit.
Pfam	PF00070. Pyr_redox. 1 hit. PF07992. Pyr_redox_2. 1 hit. PF02852. Pyr_redox_dim. 1 hit. [Graphical view]
PRINTS	PR00368. FADPNR. PR00945. HGRDTASE.
ProtoNet	Search...

Entry information

Entry name

STHA_ECOL6

Accession

Primary (citable) accession number: Q8FB93

Entry history

Integrated into UniProtKB/Swiss-Prot:	November 7, 2003
Last sequence update:	January 23, 2007
Last modified:	February 9, 2010
This is version 55 of the entry and version 3 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)