P65242 (KPRS2_STRR6) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Ribose-phosphate pyrophosphokinase 2
Short name=RPPK 2
EC=2.7.6.1

Alternative name(s):
Phosphoribosyl pyrophosphate synthase 2
Short name=P-Rib-PP synthase 2
Short name=PRPP synthase 2

Gene names

Name:	prs2
Synonyms:	prs
Ordered Locus Names:	spr1002

Organism

Streptococcus pneumoniae (strain ATCC BAA-255 / R6)

Taxonomic identifier

171101 [NCBI]

Taxonomic lineage

Bacteria › Firmicutes › Lactobacillales › Streptococcaceae › Streptococcus

Protein attributes

Sequence length	319 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Catalytic activity	ATP + D-ribose 5-phosphate = AMP + 5-phospho-alpha-D-ribose 1-diphosphate. HAMAP MF_00583_B
Cofactor	Binds 1 magnesium ion per subunit By similarity. HAMAP MF_00583_B
Pathway	Metabolic intermediate biosynthesis; 5-phospho-alpha-D-ribose 1-diphosphate biosynthesis; 5-phospho-alpha-D-ribose 1-diphosphate from D-ribose 5-phosphate (route I): step 1/1. HAMAP MF_00583_B
Subcellular location	Cytoplasm By similarity HAMAP MF_00583_B.
Sequence similarities	Belongs to the ribose-phosphate pyrophosphokinase family.

Ontologies

Keywords
Biological process	Nucleotide biosynthesis
Cellular component	Cytoplasm
Ligand	ATP-binding Magnesium Metal-binding Nucleotide-binding
Molecular function	Kinase Transferase
Technical term	Complete proteome Reference proteome
Gene Ontology (GO)
Biological process	nucleoside metabolic process Inferred from electronic annotation. Source: InterPro ribonucleoside monophosphate biosynthetic process Inferred from electronic annotation. Source: InterPro
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	ATP binding Inferred from electronic annotation. Source: UniProtKB-KW kinase activity Inferred from electronic annotation. Source: UniProtKB-KW magnesium ion binding Inferred from electronic annotation. Source: InterPro ribose phosphate diphosphokinase 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 – 319	319	Ribose-phosphate pyrophosphokinase 2 HAMAP MF_00583_B		PRO_0000141207
Regions
	Region	215 – 228	14	Binding of phosphoribosylpyrophosphate Potential
Sites
	Metal binding	131	1	Magnesium Potential
	Metal binding	133	1	Magnesium Potential
	Metal binding	142	1	Magnesium Potential
	Metal binding	146	1	Magnesium Potential

Sequences

	Sequence		Length	Mass (Da)
	P65242 [UniParc]. Last modified October 11, 2004. Version 1. Checksum: D7927EADF6716645	FASTA	319	35,125
	10 20 30 40 50 60 MSDRKNMKLF ALNSNQEIAQ KIAQAVGVPL GKLSSRQFSD GEIQVNIEES VRGYDVYIIQ 70 80 90 100 110 120 STSFPVNNHL MELLIMVDAC VRASAHSINV VLPYFGYARQ DRIACPREPL TAKLVANMLV 130 140 150 160 170 180 KAGVDRILTL DLHAVQVQGF FDIPVDNLFT VPLFAKHYCD KGLLGSDVVV VSPKNSGVKR 190 200 210 220 230 240 ARSLAEYLDA PIAIIDYPQD DATRNEGYII GDVEGKKAIL IDDILNTGRT FSEASKIVER 250 260 270 280 290 300 EGATEIYAVS SHGLFVEGAA ELLDNTNIKE ILVTDSVATK EKTPKNVCYI TASELIGDAI 310 VRIHERKPVS PLFAYNKKK

References

[1]

"Genome of the bacterium Streptococcus pneumoniae strain R6." Hoskins J., Alborn W.E. Jr., Arnold J., Blaszczak L.C., Burgett S., DeHoff B.S., Estrem S.T., Fritz L., Fu D.-J., Fuller W., Geringer C., Gilmour R., Glass J.S., Khoja H., Kraft A.R., Lagace R.E., LeBlanc D.J., Lee L.N. , Lefkowitz E.J., Lu J., Matsushima P., McAhren S.M., McHenney M., McLeaster K., Mundy C.W., Nicas T.I., Norris F.H., O'Gara M., Peery R.B., Robertson G.T., Rockey P., Sun P.-M., Winkler M.E., Yang Y., Young-Bellido M., Zhao G., Zook C.A., Baltz R.H., Jaskunas S.R., Rosteck P.R. Jr., Skatrud P.L., Glass J.I. J. Bacteriol. 183:5709-5717(2001) [PubMed: 11544234] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC BAA-255 / R6.

+

Additional computationally mapped references.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AE007317 Genomic DNA. Translation: AAK99806.1.
PIR	B97997.
RefSeq	NP_358596.1. NC_003098.1.
3D structure databases
ProteinModelPortal	P65242.
SMR	P65242. Positions 6-314.
ModBase	Search...
Protein-protein interaction databases
STRING	P65242.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBSTRT00000014823; EBSTRP00000014219; EBSTRG00000014823.
GeneID	932850.
GenomeReviews	Gene locus spr1002 in contig AE007317_GR.
KEGG	spr:spr1002.
PATRIC	19701946. VBIStrPne107296_1090.
Phylogenomic databases
eggNOG	COG0462.
GeneTree	EBGT00050000027352.
HOGENOM	HBG519284.
OMA	CTSGLTH.
PhylomeDB	P65242.
ProtClustDB	PRK02458.
Enzyme and pathway databases
BioCyc	SPNE171101:SPR1002-MONOMER.
Family and domain databases
HAMAP	MF_00583_B. RibP_PPkinase_B. [Tree]
InterPro	IPR000842. PRib_PP_synth_CS. IPR000836. PRibTrfase. IPR005946. Rib-P_diPkinase. [Graphical view]
KO	K00948.
Pfam	PF00156. Pribosyltran. 1 hit. [Graphical view]
TIGRFAMs	TIGR01251. RibP_PPkin. 1 hit.
PROSITE	PS00114. PRPP_SYNTHASE. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

KPRS2_STRR6

Accession

Primary (citable) accession number: P65242
Secondary accession number(s): Q97QV3

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