Q2FXM9 (KPYK_STAA8) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Pyruvate kinase
Short name=PK
EC=2.7.1.40

Gene names

Name:	pyk
Ordered Locus Names:	SAOUHSC_01806

Organism

Staphylococcus aureus (strain NCTC 8325) [Reference proteome] [HAMAP]

Taxonomic identifier

93061 [NCBI]

Taxonomic lineage

cellular organisms › Bacteria › Firmicutes › Bacilli › Bacillales › Staphylococcaceae › Staphylococcus › Staphylococcus aureus › Staphylococcus aureus subsp. aureus

Protein attributes

Sequence length	585 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Catalytic activity	ATP + pyruvate = ADP + phosphoenolpyruvate.
Cofactor	Magnesium By similarity. Potassium By similarity.
Pathway	Carbohydrate degradation; glycolysis; pyruvate from D-glyceraldehyde 3-phosphate: step 5/5.
Sequence similarities	Belongs to the pyruvate kinase family. In the C-terminal section; belongs to the PEP-utilizing enzyme family.

Ontologies

Keywords
Biological process	Glycolysis
Ligand	ATP-binding Magnesium Metal-binding Nucleotide-binding Potassium Pyruvate
Molecular function	Kinase Transferase
Technical term	Complete proteome Reference proteome
Gene Ontology (GO)
Biological_process	glycolysis Inferred from electronic annotation. Source: UniProtKB-UniPathway
Molecular_function	ATP binding Inferred from electronic annotation. Source: UniProtKB-KW magnesium ion binding Inferred from electronic annotation. Source: InterPro potassium ion binding Inferred from electronic annotation. Source: InterPro pyruvate 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 – 585	585	Pyruvate kinase		PRO_0000294135
Sites
	Metal binding	34	1	Potassium By similarity
	Metal binding	36	1	Potassium By similarity
	Metal binding	66	1	Potassium By similarity
	Metal binding	67	1	Potassium; via carbonyl oxygen By similarity
	Metal binding	221	1	Magnesium By similarity
	Metal binding	245	1	Magnesium By similarity
	Binding site	32	1	Substrate By similarity
	Binding site	244	1	Substrate; via amide nitrogen By similarity
	Binding site	245	1	Substrate; via amide nitrogen By similarity
	Binding site	277	1	Substrate By similarity
	Site	219	1	Transition state stabilizer By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q2FXM9 [UniParc]. Last modified March 21, 2006. Version 1. Checksum: 4AB45FDE55BF577D	FASTA	585	63,102
	10 20 30 40 50 60 MRKTKIVCTI GPASESEEMI EKLINAGMNV ARLNFSHGSH EEHKGRIDTI RKVAKRLDKI 70 80 90 100 110 120 VAILLDTKGP EIRTHNMKDG IIELERGNEV IVSMNEVEGT PEKFSVTYEN LINDVQVGSY 130 140 150 160 170 180 ILLDDGLIEL QVKDIDHAKK EVKCDILNSG ELKNKKGVNL PGVRVSLPGI TEKDAEDIRF 190 200 210 220 230 240 GIKENVDFIA ASFVRRPSDV LEIREILEEQ KANISVFPKI ENQEGIDNIA EILEVSDGLM 250 260 270 280 290 300 VARGDMGVEI PPEKVPMVQK DLIRQCNKLG KPVITATQML DSMQRNPRAT RAEASDVANA 310 320 330 340 350 360 IYDGTDAVML SGETAAGLYP EEAVKTMRNI AVSAEAAQDY KKLLSDRTKL VETSLVNAIG 370 380 390 400 410 420 ISVAHTALNL NVKAIVAATE SGSTARTISK YRPHSDIIAV TPSEETARQC SIVWGVQPVV 430 440 450 460 470 480 KKGRKSTDAL LNNAVATAVE TGRVSNGDLI IITAGVPTGE TGTTNMMKIH LVGDEIANGQ 490 500 510 520 530 540 GIGRGSVVGT TLVAETVKDL EGKDLSDKVI VTNSIDETFV PYVEKALGLI TEENGITSPS 550 560 570 580 AIVGLEKGIP TVVGVEKAVK NISNNMLVTI DAAQGKIFEG YANVL

References

[1]	"The Staphylococcus aureus NCTC8325 genome." Gillaspy A.F., Worrell V., Orvis J., Roe B.A., Dyer D.W., Iandolo J.J. Submitted (JAN-2006) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: NCTC 8325.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000253 Genomic DNA. Translation: ABD30874.1.
RefSeq	YP_500311.1. NC_007795.1.
3D structure databases
HSSP	HSSP built from PDB template 2G50 based on UniProtKB P11974.
ProteinModelPortal	Q2FXM9.
SMR	Q2FXM9. Positions 1-583.
ModBase	Search...
Protein-protein interaction databases
STRING	93061.SAOUHSC_01806.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	ABD30874; ABD30874; SAOUHSC_01806.
GeneID	3919276.
KEGG	sao:SAOUHSC_01806.
PATRIC	19580971. VBIStaAur99865_1646.
Phylogenomic databases
eggNOG	COG0469.
HOGENOM	HOG000021559.
KO	K00873.
OMA	NSGYTAR.
ProtClustDB	CLSK885504.
Enzyme and pathway databases
BioCyc	SAUR93061:GIWJ-1725-MONOMER.
UniPathway	UPA00109; UER00188.
Family and domain databases
Gene3D	2.40.33.10. 1 hit. 3.20.20.60. 2 hits. 3.40.1380.20. 1 hit.
InterPro	IPR008279. PEP-util_enz_mobile_dom. IPR001697. Pyr_Knase. IPR015813. Pyrv/PenolPyrv_Kinase. IPR011037. Pyrv_Knase-like_insert_dom. IPR015794. Pyrv_Knase_a/b. IPR015793. Pyrv_Knase_brl. IPR015795. Pyrv_Knase_C. IPR015806. Pyrv_Knase_insert_dom. [Graphical view]
PANTHER	PTHR11817. PTHR11817. 1 hit.
Pfam	PF00391. PEP-utilizers. 1 hit. PF00224. PK. 1 hit. PF02887. PK_C. 1 hit. [Graphical view]
PRINTS	PR01050. PYRUVTKNASE.
SUPFAM	SSF52009. PEP_mobile. 1 hit. SSF50800. PK_B_barrel_like. 1 hit. SSF52935. Pyruvate_kinase. 1 hit. SSF51621. Pyrv/PenolPyrv_Kinase_cat. 1 hit.
TIGRFAMs	TIGR01064. pyruv_kin. 1 hit.
PROSITE	PS00110. PYRUVATE_KINASE. False negative. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

KPYK_STAA8

Accession

Primary (citable) accession number: Q2FXM9

Entry history

Integrated into UniProtKB/Swiss-Prot:	July 10, 2007
Last sequence update:	March 21, 2006
Last modified:	May 1, 2013
This is version 49 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program