PDBsum entry 1m0s

Isomerase

PDB id: 1m0s

Contents

Protein chains

219 a.a. *

Ligands

CIT ×2

Waters ×332

* Residue conservation analysis

PDB id:

1m0s

Name:

Isomerase

Title:

Northeast structural genomics consortium (nesg id ir21)

Structure:

Ribose-5-phosphate isomerase a. Chain: a, b. Synonym: d-ribose-5-phosphate isomerase, phosphoriboisomerase a. Engineered: yes

Source:

Haemophilus influenzae. Organism_taxid: 727. Gene: rpia. Expressed in: escherichia coli. Expression_system_taxid: 562

Biol. unit:

Dimer (from PQS)

Resolution:

1.90Å R-factor: 0.179 R-free: 0.208

Authors:

K.Das,R.Xiao,T.Acton,G.Montelione,E.Arnold,Northeast Structural Genomics Consortium (Nesg)

Key ref:

K.Das et al. D-Ribose-5-Phosphate isomerase, Ir21. To be published, .

Date:

14-Jun-02 Release date: 04-Sep-02

Protein chains

P44725  (RPIA_HAEIN) -  Ribose-5-phosphate isomerase A from Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)

Seq: 219 a.a.

Struc: 219 a.a.*

* PDB and UniProt seqs differ at 1 residue position (black cross)

Enzyme reactions

• Enzyme class: E.C.5.3.1.6 - ribose-5-phosphate isomerase.
• Reaction: aldehydo-D-ribose 5-phosphate = D-ribulose 5-phosphate

aldehydo-D-ribose 5-phosphate = D-ribulose 5-phosphate (Bound ligand (Het Group name = CIT) matches with 42.11% similarity)

Molecule diagrams generated from .mol files obtained from the KEGG ftp site