1q3g

MurA (Asp305Ala) liganded with tetrahedral reaction intermediate

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

UDP-N-acetylglucosamine 1-carboxyvinyltransferase

Enterobacter cloacae

UniProt P33038

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 4 3'-1-CARBOXY-1-PHOSPHONOOXY-ETHOXY-URIDINE-DIPHOSPHATE-N-ACETYLGLUCOSAMINE × 4 1,2-ETHANEDIOL × 4 water × 4 Consistent with protein count
2 Protein homooligomer Homooligomer Protein 4 3'-1-CARBOXY-1-PHOSPHONOOXY-ETHOXY-URIDINE-DIPHOSPHATE-N-ACETYLGLUCOSAMINE × 4 1,2-ETHANEDIOL × 4 water × 4 Consistent with protein count
3 Protein homooligomer Homooligomer Protein 4 3'-1-CARBOXY-1-PHOSPHONOOXY-ETHOXY-URIDINE-DIPHOSPHATE-N-ACETYLGLUCOSAMINE × 4 1,2-ETHANEDIOL × 4 water × 4 Consistent with protein count
4 Protein homooligomer Homooligomer Protein 4 3'-1-CARBOXY-1-PHOSPHONOOXY-ETHOXY-URIDINE-DIPHOSPHATE-N-ACETYLGLUCOSAMINE × 4 1,2-ETHANEDIOL × 4 water × 4 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name MURA_ENTCL
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–419; UniProt 1–419 Author chain B; PDBConstruct 1–419; UniProt 1–419 Author chain C; PDBConstruct 1–419; UniProt 1–419 Author chain D; PDBConstruct 1–419; UniProt 1–419 Author chain E; PDBConstruct 1–419; UniProt 1–419 Author chain F; PDBConstruct 1–419; UniProt 1–419 Author chain G; PDBConstruct 1–419; UniProt 1–419 Author chain H; PDBConstruct 1–419; UniProt 1–419 Author chain I; PDBConstruct 1–419; UniProt 1–419 Author chain J; PDBConstruct 1–419; UniProt 1–419 Author chain K; PDBConstruct 1–419; UniProt 1–419 Author chain L; PDBConstruct 1–419; UniProt 1–419 Author chain W; PDBConstruct 1–419; UniProt 1–419 Author chain X; PDBConstruct 1–419; UniProt 1–419 Author chain Y; PDBConstruct 1–419; UniProt 1–419 Author chain Z; PDBConstruct 1–419; UniProt 1–419

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_id1q3g
Deposition date deposition_date2003-07-29
Structure title titleMurA (Asp305Ala) liganded with tetrahedral reaction intermediate
Keywords keywordsinside-out alpha-beta barrel, TRANSFERASE; TRANSFERASE
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.

1q3g__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1q3g__assembly_2__model_1 | I(q)

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

1q3g__assembly_2__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)34.63 Å
Rg (electron density)33.64 Å
Total Rg34.16 Å
Atom count12772
Residues1672
Excluded volume228110 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1q3g__assembly_1__model_1 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 1q3g__assembly_2__model_1 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 1q3g__assembly_3__model_1 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 1q3g__assembly_4__model_1 tetrameric (4) 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 (4)

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6. Fold Classification (SCOP + CATH) 48 domains

SCOP 2.08 (16 domains)

Domain ID domain_idd1q3ga_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT
Domain ID domain_idd1q3gb_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT
Domain ID domain_idd1q3gc_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT
Domain ID domain_idd1q3gd_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT
Domain ID domain_idd1q3ge_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT
Domain ID domain_idd1q3gf_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT
Domain ID domain_idd1q3gg_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT
Domain ID domain_idd1q3gh_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT
Domain ID domain_idd1q3gi_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT
Domain ID domain_idd1q3gj_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT
Domain ID domain_idd1q3gk_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT
Domain ID domain_idd1q3gl_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT
Domain ID domain_idd1q3gw_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT
Domain ID domain_idd1q3gx_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT
Domain ID domain_idd1q3gy_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT
Domain ID domain_idd1q3gz_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.68 — IF3-like
Superfamily Superfamily superfamilyd.68.2 — EPT/RTPC-like
Family Family familyd.68.2.2 — Enolpyruvate transferase, EPT

CATH v4.4 (32 domains)

Domain ID domain_id1q3gA01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gA02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gB01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gB02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gC01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gC02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gD01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gD02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gE01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gE02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gF01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gF02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gG01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gG02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gH01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gH02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gI01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gI02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gJ01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gJ02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gK01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gK02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gL01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gL02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gW01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gW02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gX01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gX02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gY01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gY02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gZ01
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
Domain ID domain_id1q3gZ02
Class class3 — Alpha Beta
Architecture architecture65 — Alpha-beta prism
Topology topology10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily10 — Enolpyruvate transferase domain
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7. Citations (1)