P23145 (NIFP_AZOCH) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Probable serine acetyltransferase
Short name=SAT
EC=2.3.1.30

Gene names

Name:

nifP

Organism

Azotobacter chroococcum mcd 1

Taxonomic identifier

355 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Pseudomonadales › Pseudomonadaceae › Azotobacter

Protein attributes

Sequence length	269 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Function	Probable serine acetyltransferase required for optimizing the expression of nitrogenase activity. May be required to boost rates of synthesis or intracellular concentrations of cysteine or methionine.
Catalytic activity	Acetyl-CoA + L-serine = CoA + O-acetyl-L-serine.
Sequence similarities	Belongs to the transferase hexapeptide repeat family.

Ontologies

Keywords
Biological process	Amino-acid biosynthesis Cysteine biosynthesis Nitrogen fixation
Domain	Repeat
Molecular function	Acyltransferase Transferase
Gene Ontology (GO)
Biological process	cysteine biosynthetic process from serine Inferred from electronic annotation. Source: InterPro nitrogen fixation Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	cytoplasm Inferred from electronic annotation. Source: InterPro
Molecular function	serine O-acetyltransferase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 269	269	Probable serine acetyltransferase		PRO_0000068689

Sequences

	Sequence		Length	Mass (Da)
	P23145 [UniParc]. Last modified November 1, 1991. Version 1. Checksum: E0BBCC982E66FDBB	FASTA	269	28,578
	10 20 30 40 50 60 MSLLAQWRED IRCVFERDPA ARTTFEVLTT YPGVHAIMLY RLAHRLWRPN ALPRPAAVVR 70 80 90 100 110 120 ARLVSNVDIH PGAVIGARFF IDHGACVVIG ETAEIGRDVT LYHGVTLGGT TGAKGKRHPT 130 140 150 160 170 180 LGDVVLVGAG AKILGPITIG ANARVGANSV VVQDVPEGCT VVGIPGKVVK LREAGQLNPY 190 200 210 220 230 240 GIDLDHHLIP DPVGKAIACL LERIDSLEKR VEAGGLVAAA ASSTFYEGCN PDNSICETNL 250 260 RRSAPWSSGR PRRPAHAGDR VSGRAKGSD

References

[1]

"Nucleotide sequence and genetic analysis of the Azotobacter chroococcum nifUSVWZM gene cluster, including a new gene (nifP) which encodes a serine acetyltransferase." Evans D.J., Jones R., Woodley P.R., Wilborn J.R., Robson R.L. J. Bacteriol. 173:5457-5469(1991) [PubMed: 1885524] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].

Cross-references

Sequence databases
EMBL GenBank DDBJ	M60090 Genomic DNA. Translation: AAA22162.1.
PIR	D43706.
3D structure databases
ProteinModelPortal	P23145.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Family and domain databases
InterPro	IPR001451. Hexapep_transf. IPR018357. Hexapep_transf_CS. IPR005881. Ser_O-AcTrfase. IPR011004. Trimer_LpxA-like. [Graphical view]
Pfam	PF00132. Hexapep. 1 hit. [Graphical view]
PIRSF	PIRSF000441. CysE. 1 hit.
SUPFAM	SSF51161. Trimer_LpxA_like. 1 hit.
TIGRFAMs	TIGR01172. CysE. 1 hit.
PROSITE	PS00101. HEXAPEP_TRANSFERASES. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

NIFP_AZOCH

Accession

Primary (citable) accession number: P23145

Entry history

Integrated into UniProtKB/Swiss-Prot:	November 1, 1991
Last sequence update:	November 1, 1991
Last modified:	September 21, 2011
This is version 55 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program