← Back to search
1pya

REFINED STRUCTURE OF THE PYRUVOYL-DEPENDENT HISTIDINE DECARBOXYLASE FROM LACTOBACILLUS 30A

Method: X-RAY DIFFRACTION
▼

1. Protein Identity and Related Structures Protein Identity & Related Structures

PYRUVOYL-DEPENDENT HISTIDINE DECARBOXYLASE (L-HISTIDINE CARBOXYLASE)

Lactobacillus sp. 30A

UniProt P00862

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 6 water × 6 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers
1hq6 1ibt 1ibt 1ibu 1ibu 1ibv 1ibw 1pya

8 assemblies

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name DCHS_LACS3
Isoform —
PDB entities 1, 2
Chains and sequence ranges Author chain A； PDBConstruct 1–81； UniProt 1–81 Author chain C； PDBConstruct 1–81； UniProt 1–81 Author chain E； PDBConstruct 1–81； UniProt 1–81 Author chain B； PDBConstruct 2–229； UniProt 83–310 Author chain D； PDBConstruct 2–229； UniProt 83–310 Author chain F； PDBConstruct 2–229； UniProt 83–310

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id1pya
Deposition date deposition_date1992-12-18
Structure title titleREFINED STRUCTURE OF THE PYRUVOYL-DEPENDENT HISTIDINE DECARBOXYLASE FROM LACTOBACILLUS 30A
Keywords keywordsCARBOXY-LYASE; CARBOXY-LYASE
Experimental Method methodX-RAY DIFFRACTION
▼

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.

1pya__assembly_1__model_1

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

Download this curve (.dat)

1pya__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.

1pya__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）28.15 Å
Rg (electron density)26.92 Å
Total Rg27.85 Å
Atom count8727
Residues927
Excluded volume127290 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1pya__assembly_1__model_1 hexameric （6） Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (3)

▼

6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1pya.1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.155 — Pyruvoyl-dependent histidine and arginine decarboxylases
Superfamily Superfamily superfamilyd.155.1 — Pyruvoyl-dependent histidine and arginine decarboxylases
Family Family familyd.155.1.1 — Histidine decarboxylase
Domain ID domain_idd1pya.2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.155 — Pyruvoyl-dependent histidine and arginine decarboxylases
Superfamily Superfamily superfamilyd.155.1 — Pyruvoyl-dependent histidine and arginine decarboxylases
Family Family familyd.155.1.1 — Histidine decarboxylase
Domain ID domain_idd1pya.3
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.155 — Pyruvoyl-dependent histidine and arginine decarboxylases
Superfamily Superfamily superfamilyd.155.1 — Pyruvoyl-dependent histidine and arginine decarboxylases
Family Family familyd.155.1.1 — Histidine decarboxylase

CATH v4.4 (6 domains)

Domain ID domain_id1pyaA00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology510 — Pyruvoyl-Dependent Histidine Decarboxylas; Chain A
Homologous superfamily homologous superfamily10 — Pyruvoyl-Dependent Histidine Decarboxylas, subunit A
Domain ID domain_id1pyaB00
Class class3 — Alpha Beta
Architecture architecture50 — 3-Layer(bba) Sandwich
Topology topology20 — Pyruvoyl-Dependent Histidine Decarboxylase; Chain B
Homologous superfamily homologous superfamily10 — Pyruvoyl-Dependent Histidine Decarboxylase, subunit B
Domain ID domain_id1pyaC00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology510 — Pyruvoyl-Dependent Histidine Decarboxylas; Chain A
Homologous superfamily homologous superfamily10 — Pyruvoyl-Dependent Histidine Decarboxylas, subunit A
Domain ID domain_id1pyaD00
Class class3 — Alpha Beta
Architecture architecture50 — 3-Layer(bba) Sandwich
Topology topology20 — Pyruvoyl-Dependent Histidine Decarboxylase; Chain B
Homologous superfamily homologous superfamily10 — Pyruvoyl-Dependent Histidine Decarboxylase, subunit B
Domain ID domain_id1pyaE00
Class class4 — Few Secondary Structures
Architecture architecture10 — Irregular
Topology topology510 — Pyruvoyl-Dependent Histidine Decarboxylas; Chain A
Homologous superfamily homologous superfamily10 — Pyruvoyl-Dependent Histidine Decarboxylas, subunit A
Domain ID domain_id1pyaF00
Class class3 — Alpha Beta
Architecture architecture50 — 3-Layer(bba) Sandwich
Topology topology20 — Pyruvoyl-Dependent Histidine Decarboxylase; Chain B
Homologous superfamily homologous superfamily10 — Pyruvoyl-Dependent Histidine Decarboxylase, subunit B
▶

7. Citations (5)