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A3Q3C9 (KHSE_MYCSJ) Reviewed, UniProtKB/Swiss-Prot

Last modified January 25, 2012. Version 38. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
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Names and origin

Protein namesRecommended name:
Homoserine kinase
Short name=HK
Short name=HSK
EC=2.7.1.39
Gene names
Name:thrB
Ordered Locus Names:Mjls_3880
OrganismMycobacterium sp. (strain JLS) [Complete proteome] [HAMAP]
Taxonomic identifier164757 [NCBI]
Taxonomic lineageBacteria › Actinobacteria › Actinobacteridae › Actinomycetales › Corynebacterineae › Mycobacteriaceae › Mycobacterium

Protein attributes

Sequence length314 AA.
Sequence statusComplete.
Protein existenceInferred 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 processAmino-acid biosynthesis
Threonine biosynthesis
   Cellular componentCytoplasm
   LigandATP-binding
Nucleotide-binding
   Molecular functionKinase
Transferase
   Technical termComplete proteome
Gene Ontology (GO)
   Biological processthreonine biosynthetic process

Inferred from electronic annotation. Source: UniProtKB-KW

   Cellular componentcytoplasm

Inferred from electronic annotation. Source: UniProtKB-SubCell

   Molecular functionATP binding

Inferred from electronic annotation. Source: UniProtKB-KW

homoserine kinase activity

Inferred from electronic annotation. Source: EC

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 314314Homoserine kinase HAMAP MF_00384
PRO_1000049148

Regions

Nucleotide binding95 – 10511ATP Potential

Sequences

Sequence LengthMass (Da)Tools
A3Q3C9 [UniParc].

Last modified April 3, 2007. Version 1.
Checksum: EE3CF88C309FC30B

FASTA31431,860
        10         20         30         40         50         60 
MTQTLPAGLT ATAMVAASSA NLGPGFDSLG LALSLYDEIV VETVDSGLTV TVEGEGAGQV 

        70         80         90        100        110        120 
ALDSSHLVVR AIEAGLRATG CVAPGLVVRC RNDIPHSRGL GSSAAAVVGG LAAANGLVSQ 

       130        140        150        160        170        180 
TDWTPLTVEQ LIQLSSAFEG HPDNAAAAVL GGAVVTWTDG AGAQARYAAA PLRVHPDIHL 

       190        200        210        220        230        240 
FPAIPQQRSS TAETRVLLPD TVSHTDARFN LSRAALLVVA LTERPDLLMA ATEDVLHQPQ 

       250        260        270        280        290        300 
RAAAMPASAE FLRVLRGCGV AAVLSGAGPA VIALSTEPEL PAEAVEFGIA NGFTIAEMAV 

       310 
GDGVRWSTGV AAGR

« Hide

References

[1]"Complete sequence of Mycobacterium sp. JLS."
US DOE Joint Genome Institute
Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S., Chain P., Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M. expand/collapse author list , Hauser L., Kyrpides N., Mikhailova N., Miller C.D., Anderson A.J., Sims R.C., Richardson P.
Submitted (FEB-2007) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: JLS.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ		CP000580 Genomic DNA. Translation: ABN99656.1.
RefSeqYP_001072147.1. NC_009077.1.

3D structure databases

ProteinModelPortalA3Q3C9.
ModBaseSearch...

Protein-protein interaction databases

STRINGA3Q3C9.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaEBMYCT00000052458; EBMYCP00000050739; EBMYCG00000052453.
GeneID4879590.
GenomeReviewsGene locus Mjls_3880 in contig CP000580_GR.
KEGGmjl:Mjls_3880.
PATRIC18093992. VBIMycSp51234_3912.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG0083.
GeneTreeEBGT00050000016145.
HOGENOMHBG646290.
OMADRLHQPY.
PhylomeDBA3Q3C9.
ProtClustDBPRK01212.

Enzyme and pathway databases

BioCycMSP164757:MJLS_3880-MONOMER.

Family and domain databases

HAMAPMF_00384. Homoser_kinase.
[Tree]
InterProIPR006204. GHMP_kinase.
IPR013750. GHMP_kinase_C.
IPR006203. GHMP_knse_ATP-bd_CS.
IPR000870. Homoserine_kinase.
IPR020568. Ribosomal_S5_D2-typ_fold.
IPR014721. Ribosomal_S5_D2-typ_fold_subgr.
[Graphical view]
Gene3DG3DSA:3.30.230.10. Ribosomal_S5_D2-type_fold. 1 hit.
KOK00872.
PfamPF08544. GHMP_kinases_C. 1 hit.
PF00288. GHMP_kinases_N. 1 hit.
[Graphical view]
PIRSFPIRSF000676. Homoser_kin. 1 hit.
PRINTSPR00958. HOMSERKINASE.
SUPFAMSSF54211. Ribosomal_S5_D2-typ_fold. 1 hit.
TIGRFAMsTIGR00191. ThrB. 1 hit.
PROSITEPS00627. GHMP_KINASES_ATP. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameKHSE_MYCSJ
AccessionPrimary (citable) accession number: A3Q3C9
Entry history
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: April 3, 2007
Last modified: January 25, 2012
This is version 38 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

PATHWAY comments

Index of metabolic and biosynthesis pathways

SIMILARITY comments

Index of protein domains and families

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