ISDA

Deposition Date 1992-05-15

Release Date 1993-10-31

Last Version Date 2024-02-07

Entry Detail

PDB ID:

1CDD

Keywords:

TRANSFERASE(FORMYL)

Title:

STRUCTURES OF APO AND COMPLEXED ESCHERICHIA COLI GLYCINAMIDE RIBONUCLEOTIDE TRANSFORMYLASE

Biological Source:

Source Organism:

Escherichia coli (Taxon ID: 562)

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.80 Å

R-Value Observed:

0.22

Space Group:

C 2 2 21

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Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Molecule:PHOSPHORIBOSYL-GLYCINAMIDE FORMYLTRANSFERASE
Gene (Uniprot):purN
Chain IDs:A, B
Chain Length:212
Number of Molecules:2
Biological Source:Escherichia coli

UniProt ID:P08179 Pfam ID:PF00551

Ligand Molecules

PO4

Primary Citation

Structures of apo and complexed Escherichia coli glycinamide ribonucleotide transformylase.

Almassy, R.J, Janson, C.A, Kan, C.C, Hostomska, Z, Aimi, J, Qiu, H, Williams, J, Zalkin, H, Dixon, J.E, Smith, J.M, Daum III, H.A.Show

Proc.Natl.Acad.Sci.USA 89 6114 6118 (1992)

PMID: 1631098 DOI: 10.1073/pnas.89.13.6114

Abstact

The three-dimensional structure of phosphoribosylglycinamide formyltransferase (10-formyltetrahydrofolate:5'-phosphoribosylglycinamide formyltransferase, EC 2.1.2.2) has been solved both as an apoenzyme at 2.8-A resolution and as a ternary complex with the substrate glycinamide ribonucleotide and a folate inhibitor at 2.5-A resolution. The structure is a modified doubly wound alpha/beta sheet with flexibility in the active site, including a disordered loop in the apo structure, which is ordered in the ternary complex structure. This enzyme is a target for anti-cancer therapy and now for structure-based drug design.

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Primary Citation of related structures