Reviewed, UniProtKB/Swiss-Prot A4XBC7 (FOLD2_SALTO)

Names and origin

Protein names

Recommended name:
    Bifunctional protein folD 2
Including the following 2 domains:
    1- Recommended name:
            Methylenetetrahydrofolate dehydrogenase
              EC=1.5.1.5
    2- Recommended name:
            Methenyltetrahydrofolate cyclohydrolase
              EC=3.5.4.9

Gene names

Name:	folD2
Ordered Locus Names:	Strop_3795

Organism

Salinispora tropica (strain ATCC BAA-916 / DSM 44818 / CNB-440) [Complete proteome] [HAMAP]

Taxonomic identifier

369723 [NCBI]

Taxonomic lineage

Bacteria › Actinobacteria › Actinobacteridae › Actinomycetales › Micromonosporineae › Micromonosporaceae › Salinispora

Protein attributes

Sequence length	286 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Catalyzes the oxidation of 5,10-methylenetetrahydrofolate to 5,10-methenyltetrahydrofolate and then the hydrolysis of 5,10-methenyltetrahydrofolate to 10-formyltetrahydrofolate By similarity.
Catalytic activity	5,10-methylenetetrahydrofolate + NADP+ = 5,10-methenyltetrahydrofolate + NADPH. HAMAP MF_01576 5,10-methenyltetrahydrofolate + H2O = 10-formyltetrahydrofolate. HAMAP MF_01576
Pathway	One-carbon metabolism; tetrahydrofolate pathway. HAMAP MF_01576
Subunit structure	Homodimer By similarity.
Sequence similarities	Belongs to the tetrahydrofolate dehydrogenase/cyclohydrolase family.

Ontologies

Keywords
Biological process	Amino-acid biosynthesis Histidine biosynthesis Methionine biosynthesis One-carbon metabolism Purine biosynthesis
Ligand	NADP
Molecular function	Hydrolase Oxidoreductase
Technical term	Complete proteome Multifunctional enzyme
Gene Ontology (GO)
Biological process	folic acid and derivative biosynthetic process Inferred from electronic annotation. Source: InterPro histidine biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW methionine biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW one-carbon compound metabolic process Inferred from electronic annotation. Source: UniProtKB-KW oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW purine nucleotide biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	binding Inferred from electronic annotation. Source: InterPro methenyltetrahydrofolate cyclohydrolase activity Inferred from electronic annotation. Source: HAMAP methylenetetrahydrofolate dehydrogenase (NADP+) 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
	Chain	1 – 286	286	Bifunctional protein folD 2 HAMAP MF_01576		PRO_0000340596

Sequences

	Sequence		Length	Mass (Da)
	A4XBC7-1 [UniParc]. Last modified May 29, 2007. Version 1. Checksum: 6552A620BED52C37	FASTA	286	29,801
	10 20 30 40 50 60 MTATLLDGKA TAAEIKDELR VRVKALAERG VTPGLGTVLV GADPGSQAYV NGKHRDCAEV 70 80 90 100 110 120 GVASLRRELP TDATQEQVDA VLADLNNDPA CHGYIVQLPL PAHLDTQRVL ELIDPDKDAD 130 140 150 160 170 180 GLHPVNLGRL VLGYPGPLPC TPRGIVELLR RHDVALRGAR VVVIGRGNTV GRPLGLLLTR 190 200 210 220 230 240 RSENATVTLC HTGTLDLTAH TRAADIVIVA AGVPGLLTSD MITPGAVVVD VGITRVIGPD 250 260 270 280 GKGRYTGDVD PGVGEVAGAL VPMPGGVGPM TRAMLLTNVV ERAERG

References

[1]

"Complete sequence of Salinispora tropica CNB-440." Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E., Tice H., Pitluck S., Sun H., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E., Jensen P.R., Moore B.S., Udwary D.W., Richardson P. Submitted (APR-2007) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CP000667 Genomic DNA. Translation: ABP56226.1.
RefSeq	YP_001160604.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	5060273.
GenomeReviews	Gene locus Strop_3795 in contig CP000667_GR.
KEGG	stp:Strop_3795.
Organism-specific databases
CMR	Search...
Phylogenomic databases
OMA	A4XBC7. DVVYETA.
Family and domain databases
HAMAP	MF_01576. [Tree]
InterPro	IPR016040. NAD(P)-bd_dom. IPR000672. THF_DH/CycHdrlase. [Graphical view]
Gene3D	G3DSA:3.40.50.720. NAD(P)-bd. 1 hit.
Pfam	PF00763. THF_DHG_CYH. 1 hit. PF02882. THF_DHG_CYH_C. 1 hit. [Graphical view]
PRINTS	PR00085. THFDHDRGNASE.
ProDom	PD002300. THFDhg/Cyc_hydro. 1 hit. [Graphical view] [Entries sharing at least one domain]
PROSITE	PS00766. THF_DHG_CYH_1. False negative. PS00767. THF_DHG_CYH_2. False negative. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

FOLD2_SALTO

Accession

Primary (citable) accession number: A4XBC7

Entry history

Integrated into UniProtKB/Swiss-Prot:	June 10, 2008
Last sequence update:	May 29, 2007
Last modified:	June 16, 2009
This is version 20 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

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