1hxq Summary

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THE STRUCTURE OF NUCLEOTIDYLATED GALACTOSE-1-PHOSPHATE URIDYLYLTRANSFERASE FROM ESCHERICHIA COLI AT 1.86 ANGSTROMS RESOLUTION

The structure was published by Wedekind, J.E., Frey, P.A., and Rayment, I., in 1996 in a paper entitled "The structure of nucleotidylated histidine-166 of galactose-1-phosphate uridylyltransferase provides insight into phosphoryl group transfer." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 1.86 Å and deposited in 1996.

The experimental data on which the structure is based was not deposited.

This PDB entry contains multiple copies of the structure of HEXOSE-1-PHOSPHATE URIDYLYLTRANSFERASE.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule most likely forms homodimers.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
A HEXOSE-1-PHOSPHATE URIDYLYLTRANSFERASE P09148 (1-348) (GAL7_ECOLI)search Escherichia coli K-12search 100% 348 97%
B HEXOSE-1-PHOSPHATE URIDYLYLTRANSFERASE P09148 (1-348) (GAL7_ECOLI)search Escherichia coli K-12search 100% 348 97%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
P09148 (1 - 348) HEXOSE-1-PHOSPHATE URIDYLYLTRANSFERASE Escherichia coli

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A, B (P09148) Hexose-1-phosphate uridylyltransferasesearch HIT family, subunit Asearch PF01087: Galactose-1-phosphate uridyl transferase, N-terminal domainsearch, PF02744: Galactose-1-phosphate uridyl transferase, C-terminal domainsearch

Chain ID Molecular function (GO) Biological process (GO)
A, B (P09148) UDP-glucose:hexose-1-phosphate uridylyltransferase activitysearch catalytic activitysearch zinc ion bindingsearch galactokinase activitysearch metal ion bindingsearch nucleotidyltransferase activitysearch ferrous iron bindingsearch transferase activitysearch galactose metabolic processsearch carbohydrate metabolic processsearch galactose catabolic process via UDP-galactosesearch

Chain InterPro annotation
A, B Galactose-1-phosphate uridyl transferase, class Isearch Galactose-1-phosphate uridyl transferase, N-terminalsearch Galactose-1-phosphate uridyl transferase, C-terminalsearch HIT-like domainsearch Galactose-1-phosphate uridyl transferase, class I His-active sitesearch