P65225 (KHSE_MYCBO) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Homoserine kinase
Short name=HK
Short name=HSK
EC=2.7.1.39

Gene names

Name:	thrB
Ordered Locus Names:	Mb1328

Organism

Mycobacterium bovis [Complete proteome] [HAMAP]

Taxonomic identifier

1765 [NCBI]

Taxonomic lineage

Bacteria › Actinobacteria › Actinobacteridae › Actinomycetales › Corynebacterineae › Mycobacteriaceae › Mycobacterium › Mycobacterium tuberculosis complex

Protein attributes

Sequence length	316 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Function	Catalyzes the ATP-dependent phosphorylation of L-homoserine to L-homoserine phosphate By similarity. HAMAP MF_00384
Catalytic activity	ATP + L-homoserine = ADP + O-phospho-L-homoserine. HAMAP MF_00384
Pathway	Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine from L-aspartate: step 4/5. HAMAP MF_00384
Subcellular location	Cytoplasm Potential HAMAP MF_00384.
Sequence similarities	Belongs to the GHMP kinase family. Homoserine kinase subfamily.

Ontologies

Keywords
Biological process	Amino-acid biosynthesis Threonine biosynthesis
Cellular component	Cytoplasm
Ligand	ATP-binding Nucleotide-binding
Molecular function	Kinase Transferase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	threonine biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	ATP binding Inferred from electronic annotation. Source: UniProtKB-KW homoserine kinase 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 – 316	316	Homoserine kinase HAMAP MF_00384		PRO_0000156587
Regions
	Nucleotide binding	97 – 107	11	ATP Potential

Sequences

	Sequence		Length	Mass (Da)
	P65225 [UniParc]. Last modified October 11, 2004. Version 1. Checksum: 6C1DA36925F8A427	FASTA	316	32,346
	10 20 30 40 50 60 MVTQALLPSG LVASAVVAAS SANLGPGFDS VGLALSLYDE IIVETTDSGL TVTVDGEGGD 70 80 90 100 110 120 QVPLGPEHLV VRAVQHGLQA AGVSAAGLAV RCRNAIPHSR GLGSSAAAVV GGLAAVNGLV 130 140 150 160 170 180 VQTDSSPSSD AELIQLASEF EGHPDNAAAA VLGGAVVSWT DHSGDRPNYS AVSLRLHPDI 190 200 210 220 230 240 RLFTAIPEQR SSTAETRVLL PAQVSHDDAR FNVSRAALLV VALTERPDLL MAATEDLLHQ 250 260 270 280 290 300 PQRAAAMTAS AEYLRLLRRH NVAAALSGAG PSLIALSTDS ELPTDAVEFG AAKGFAVTEL 310 TVGEAVRWSP TVRVPG

References

[1]

"The complete genome sequence of Mycobacterium bovis." Garnier T., Eiglmeier K., Camus J.-C., Medina N., Mansoor H., Pryor M., Duthoy S., Grondin S., Lacroix C., Monsempe C., Simon S., Harris B., Atkin R., Doggett J., Mayes R., Keating L., Wheeler P.R., Parkhill J. , Barrell B.G., Cole S.T., Gordon S.V., Hewinson R.G. Proc. Natl. Acad. Sci. U.S.A. 100:7877-7882(2003) [PubMed: 12788972] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC BAA-935 / AF2122/97.

Cross-references

Sequence databases
EMBL GenBank DDBJ	BX248338 Genomic DNA. Translation: CAD94189.1.
RefSeq	NP_854982.1. NC_002945.3.
3D structure databases
ProteinModelPortal	P65225.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBMYCT00000015809; EBMYCP00000015644; EBMYCG00000015805.
GeneID	1090616.
GenomeReviews	Gene locus Mb1328 in contig BX248333_GR.
KEGG	mbo:Mb1328.
PATRIC	18004607. VBIMycBov88188_1455.
Organism-specific databases
CMR	Search...
Phylogenomic databases
GeneTree	EBGT00050000016145.
HOGENOM	HBG646290.
OMA	DRLHQPY.
ProtClustDB	PRK01212.
Enzyme and pathway databases
BioCyc	MBOV233413:MB1328-MONOMER.
Family and domain databases
HAMAP	MF_00384. Homoser_kinase. [Tree]
InterPro	IPR006204. GHMP_kinase. IPR006203. GHMP_knse_ATP-bd_CS. IPR000870. Homoserine_kinase. IPR020568. Ribosomal_S5_D2-typ_fold. IPR014721. Ribosomal_S5_D2-typ_fold_subgr. [Graphical view]
Gene3D	G3DSA:3.30.230.10. Ribosomal_S5_D2-type_fold. 1 hit.
KO	K00872.
Pfam	PF00288. GHMP_kinases_N. 1 hit. [Graphical view]
PIRSF	PIRSF000676. Homoser_kin. 1 hit.
PRINTS	PR00958. HOMSERKINASE.
SUPFAM	SSF54211. Ribosomal_S5_D2-typ_fold. 1 hit.
TIGRFAMs	TIGR00191. ThrB. 1 hit.
PROSITE	PS00627. GHMP_KINASES_ATP. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

KHSE_MYCBO

Accession

Primary (citable) accession number: P65225
Secondary accession number(s): Q10603

Entry history

Integrated into UniProtKB/Swiss-Prot:	October 11, 2004
Last sequence update:	October 11, 2004
Last modified:	January 25, 2012
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