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1hxq

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

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

HEXOSE-1-PHOSPHATE URIDYLYLTRANSFERASE

Escherichia coli

UniProt P09148

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 ZINC ION × 2 FE (III) ION × 2 URIDINE-5'-MONOPHOSPHATE × 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer
1gup 1gup 1guq 1guq 1hxp 1hxq

6 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name GAL7_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–348； UniProt 1–348 Author chain B； PDBConstruct 1–348； UniProt 1–348

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id1hxq
Deposition date deposition_date1996-06-16
Structure title titleTHE STRUCTURE OF NUCLEOTIDYLATED GALACTOSE-1-PHOSPHATE URIDYLYLTRANSFERASE FROM ESCHERICHIA COLI AT 1.86 ANGSTROMS RESOLUTION
Keywords keywordsMETALLOENZYME, NUCLEOTIDYLATED HISTIDINE, REACTION INTERMEDIATE, NUCLEOTIDYLTRANSFERASE; NUCLEOTIDYLTRANSFERASE
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

1hxq__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1hxq__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1hxq__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）26.20 Å
Rg (electron density)25.02 Å
Total Rg25.90 Å
Atom count5449
Residues673
Excluded volume95770 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1hxq__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (5)

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1hxqa1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.13 — HIT-like
Superfamily Superfamily superfamilyd.13.1 — HIT-like
Family Family familyd.13.1.2 — Hexose-1-phosphate uridylyltransferase
Domain ID domain_idd1hxqa2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.13 — HIT-like
Superfamily Superfamily superfamilyd.13.1 — HIT-like
Family Family familyd.13.1.2 — Hexose-1-phosphate uridylyltransferase
Domain ID domain_idd1hxqb1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.13 — HIT-like
Superfamily Superfamily superfamilyd.13.1 — HIT-like
Family Family familyd.13.1.2 — Hexose-1-phosphate uridylyltransferase
Domain ID domain_idd1hxqb2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.13 — HIT-like
Superfamily Superfamily superfamilyd.13.1 — HIT-like
Family Family familyd.13.1.2 — Hexose-1-phosphate uridylyltransferase

CATH v4.4 (4 domains)

Domain ID domain_id1hxqA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology428 — HIT family, subunit A
Homologous superfamily homologous superfamily10 — HIT-like
Domain ID domain_id1hxqA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology428 — HIT family, subunit A
Homologous superfamily homologous superfamily10 — HIT-like
Domain ID domain_id1hxqB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology428 — HIT family, subunit A
Homologous superfamily homologous superfamily10 — HIT-like
Domain ID domain_id1hxqB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology428 — HIT family, subunit A
Homologous superfamily homologous superfamily10 — HIT-like
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7. Citations (5)