DB code: D00131

CATH domain 3.40.50.2020 : Rossmann fold Catalytic domain
3.40.50.2020 : Rossmann fold Catalytic domain
E.C. 2.7.6.1
CSA
M-CSA
MACiE

CATH domain Related DB codes (homologues)
3.40.50.2020 : Rossmann fold S00288 S00289 S00287

Uniprot Enzyme Name
UniprotKB Protein name Synonyms RefSeq Pfam
P14193 Ribose-phosphate pyrophosphokinase
RPPK
EC 2.7.6.1
Phosphoribosyl pyrophosphate synthetase
P-Rib-PP synthetase
PRPP synthetase
NP_387932.1 (Protein)
NC_000964.3 (DNA/RNA sequence)
PF00156 (Pribosyltran)
[Graphical View]

KEGG enzyme name
ribose-phosphate diphosphokinase
ribose-phosphate pyrophosphokinase
PRPP synthetase
phosphoribosylpyrophosphate synthetase
PPRibP synthetase
PP-ribose P synthetase
5-phosphoribosyl-1-pyrophosphate synthetase
5-phosphoribose pyrophosphorylase
5-phosphoribosyl-alpha-1-pyrophosphate synthetase
phosphoribosyl-diphosphate synthetase
phosphoribosylpyrophosphate synthase
pyrophosphoribosylphosphate synthetase
ribophosphate pyrophosphokinase
ribose-5-phosphate pyrophosphokinase

UniprotKB: Accession Number Entry name Activity Subunit Subcellular location Cofactor
P14193 KPRS_BACSU ATP + D-ribose 5-phosphate = AMP + 5-phospho- alpha-D-ribose 1-diphosphate. Homohexamer. Cytoplasm (By similarity). Binds 1 magnesium ion per subunit.

KEGG Pathways
Map code Pathways E.C.
MAP00030 Pentose phosphate pathway
MAP00230 Purine metabolism

Compound table
Cofactors Substrates Products Intermediates
KEGG-id C00305 C00002 C00131 C00117 C00020 C00360 C00119
E.C.
Compound Magnesium ATP dATP D-Ribose 5-phosphate AMP dAMP 5-Phospho-alpha-D-ribose 1-diphosphate
Type divalent metal (Ca2+, Mg2+) amine group,nucleotide amine group,nucleotide carbohydrate,phosphate group/phosphate ion amine group,nucleotide amine group,nucleotide carbohydrate,phosphate group/phosphate ion
ChEBI 18420
18420
15422
15422
16284
16284
52742
52742
16027
16027
17713
17713
17111
17111
PubChem 888
888
5957
5957
15993
15993
439167
439167
6083
6083
12599
12599
7339
7339
1dkrA01 Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1dkrB01 Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1dkuA01 Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1dkuB01 Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1ibsA01 Analogue:_CD Unbound Unbound Unbound Unbound Unbound Unbound
1ibsB01 Analogue:_CD Unbound Unbound Unbound Unbound Unbound Unbound
1dkrA02 Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1dkrB02 Unbound Unbound Unbound Unbound Unbound Unbound Unbound
1dkuA02 Unbound Analogue:AP2 Unbound Unbound Analogue:ABM Unbound Unbound
1dkuB02 Unbound Analogue:AP2 Unbound Unbound Analogue:ABM Unbound Unbound
1ibsA02 Analogue:_CD Unbound Unbound Unbound Analogue:ABM Unbound Unbound
1ibsB02 Analogue:_CD Unbound Unbound Unbound Analogue:ABM Unbound Unbound

Reference for Active-site residues
resource references E.C.
Swiss-prot

Active-site residues
PDB Catalytic residues Cofactor-binding residues Modified residues Main-chain involved in catalysis Comment
1dkrA01 LYS 197
1dkrB01 LYS 197
1dkuA01 LYS 197
1dkuB01 LYS 197
1ibsA01 LYS 197
1ibsB01 LYS 197
1dkrA02 ARG 101 ASP 133;HIS 135;ASP 144;ASP 148(magnesium binding)
1dkrB02 ARG 101 ASP 133;HIS 135;ASP 144;ASP 148(magnesium binding)
1dkuA02 ARG 101 ASP 133;HIS 135;ASP 144;ASP 148(magnesium binding)
1dkuB02 ARG 101 ASP 133;HIS 135;ASP 144;ASP 148(magnesium binding)
1ibsA02 ARG 101 ASP 133;HIS 135;ASP 144;ASP 148(magnesium binding)
1ibsB02 ARG 101 ASP 133;HIS 135;ASP 144;ASP 148(magnesium binding)

References for Catalytic Mechanism
References Sections No. of steps in catalysis
[7]
p.305-306
[8]
p.737
[10]
p.2319-2320
[11]
p.277

References
[1]
Resource
Comments
Medline ID
PubMed ID 6330252
Journal J Lab Clin Med
Year 1984
Volume 104
Pages 96-109
Authors Itkin P, Woo S, Becker MA
Title Human phosphoribosylpyrophosphate synthetase: radioimmunochemical quantitation in erythrocytes and fibroblasts.
Related PDB
Related UniProtKB
[2]
Resource
Comments
Medline ID
PubMed ID 2414323
Journal J Clin Invest
Year 1985
Volume 76
Pages 1657-64
Authors Losman MJ, Rimon D, Kim M, Becker MA
Title Selective expression of phosphoribosylpyrophosphate synthetase superactivity in human lymphoblast lines.
Related PDB
Related UniProtKB
[3]
Resource
Comments
Medline ID
PubMed ID 3017368
Journal Arthritis Rheum
Year 1986
Volume 29
Pages 880-8
Authors Becker MA, Losman MJ, Rosenberg AL, Mehlman I, Levinson DJ, Holmes EW
Title Phosphoribosylpyrophosphate synthetase superactivity. A study of five patients with catalytic defects in the enzyme.
Related PDB
Related UniProtKB
[4]
Resource
Comments
Medline ID
PubMed ID 2546925
Journal J Biochem (Tokyo)
Year 1989
Volume 105
Pages 736-41
Authors Kita K, Otsuki T, Ishizuka T, Tatibana M
Title Rat liver phosphoribosyl pyrophosphate synthetase: existence of the purified enzyme as heterogeneous aggregates and identification of the catalytic subunit.
Related PDB
Related UniProtKB
[5]
Resource
Comments
Medline ID
PubMed ID 8820490
Journal Proteins
Year 1996
Volume 24
Pages 238-46
Authors Bentsen AK, Larsen TA, Kadziola A, Larsen S, Harlow KW
Title Overexpression of Bacillus subtilis phosphoribosylpyrophosphate synthetase and crystallization and preliminary X-ray characterization of the free enzyme and its substrate-effector complexes.
Related PDB 1kdr
Related UniProtKB
[6]
Resource
Comments
Medline ID
PubMed ID 9348095
Journal J Biochem (Tokyo)
Year 1997
Volume 122
Pages 635-40
Authors Sonoda T, Kita K, Ishijima S, Ishizuka T, Ahmad I, Tatibana M
Title Kinetic and regulatory properties of rat liver phosphoribosylpyrophosphate synthetase complex are partly distinct from those of isolated recombinant component catalytic subunits.
Related PDB
Related UniProtKB
[7]
Resource
Comments X-RAY CRYSTALLOGRAPHY (2.2 ANGSTROMS)
Medline ID 20207047
PubMed ID 10742175
Journal Nat Struct Biol
Year 2000
Volume 7
Pages 303-8
Authors Eriksen TA, Kadziola A, Bentsen AK, Harlow KW, Larsen S
Title Structural basis for the function of Bacillus subtilis phosphoribosyl-pyrophosphate synthetase.
Related PDB 1dkr 1dku
Related UniProtKB P14193
[8]
Resource
Comments
Medline ID
PubMed ID 11751055
Journal Curr Opin Struct Biol
Year 2001
Volume 11
Pages 733-9
Authors Sinha SC, Smith JL
Title The PRT protein family.
Related PDB
Related UniProtKB
[9]
Resource
Comments
Medline ID
PubMed ID 11278632
Journal J Biol Chem
Year 2001
Volume 276
Pages 17851-6
Authors Krath BN, Hove-Jensen B
Title Class II recombinant phosphoribosyl diphosphate synthase from spinach. Phosphate independence and diphosphoryl donor specificity.
Related PDB
Related UniProtKB
[10]
Resource
Comments
Medline ID
PubMed ID 11604537
Journal Protein Sci
Year 2001
Volume 10
Pages 2317-24
Authors Krath BN, Hove-Jensen B
Title Implications of secondary structure prediction and amino acid sequence comparison of class I and class II phosphoribosyl diphosphate synthases on catalysis, regulation, and quaternary structure.
Related PDB
Related UniProtKB
[11]
Resource
Comments
Medline ID
PubMed ID 11790837
Journal Protein Sci
Year 2002
Volume 11
Pages 271-9
Authors Eriksen TA, Kadziola A, Larsen S
Title Binding of cations in Bacillus subtilis phosphoribosyldiphosphate synthetase and their role in catalysis.
Related PDB
Related UniProtKB

Comments

Created Updated
2004-03-18 2009-02-26