ISDA: 1NUH

Deposition Date 2003-01-31

Release Date 2003-02-11

Last Version Date 2024-12-25

Entry Detail

PDB ID:

1NUH

Keywords:

ISOMERASE

Title:

The crystal structure of human phosphoglucose isomerase complexed with 5-phosphoarabinonate

Biological Source:

Source Organism:

Homo sapiens (Taxon ID: 9606)

Host Organism:

Escherichia coli BL21

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

2.51 Å

R-Value Free:

0.26

R-Value Work:

0.21

R-Value Observed:

0.21

Space Group:

P 43 21 2

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Macromolecular Entities

Structures with similar UniProt ID

Protein Blast

Polymer Type:polypeptide(L)
Molecule:glucose phosphate isomerase
Gene (Uniprot):GPI
Chain IDs:A
Chain Length:558
Number of Molecules:1
Biological Source:Homo sapiens

UniProt ID:P06744 Pfam ID:PF00342 EC:5.3.1.9

Ligand Molecules

PA5

SO4

Primary Citation

The structure of human phosphoglucose isomerase complexed with a transition-state analogue.

Davies, C, Muirhead, H, Chirgwin, J, Read, J, Pearce, J, Li, X, Muirhead, H, Chirgwin, J, Davies, C.Show

Acta Crystallogr.,Sect.D 59 1111 1113 (2003)

PMID: 12777791 DOI: 10.1107/S0907444903007352

Abstact

Phosphoglucose isomerase (PGI) is a workhorse enzyme of carbohydrate metabolism that interconverts glucose 6-phosphate and fructose 6-phosphate. Outside the cell, however, the protein appears to function as a cytokine. A crystal structure of human PGI bound with 5-phosphoarabinonate, a strong inhibitor that mimics the cis-enediol(ate) intermediate of the reaction, has been determined at 2.5 A resolution. The structure helps to confirm the assignment of Glu357 as the base catalyst in the isomerase reaction.

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Primary Citation of related structures

Abstact

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