4gyn

The E142L mutant of the amidase from Geobacillus pallidus

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

Aliphatic amidase

Bacillus sp.

UniProt Q9L543

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name AMIE_BACSP
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; 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_id4gyn
Deposition date deposition_date2012-09-05
Structure title titleThe E142L mutant of the amidase from Geobacillus pallidus
Keywords keywordsamidase, catalytic tetrad, amidase mechanism, HYDROLASE; HYDROLASE
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.

4gyn__assembly_1__model_1

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

Download this curve (.dat)

4gyn__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.

4gyn__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)34.89 Å
Rg (electron density)33.87 Å
Total Rg34.46 Å
Atom count15900
Residues2040
Excluded volume282180 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4gyn__assembly_1__model_1 hexameric (6) 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 (3)

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id4gynA00
Class class3 — Alpha Beta
Architecture architecture60 — 4-Layer Sandwich
Topology topology110 — Nitrilase/N-carbamoyl-D-aminoacid amidohydrolase
Homologous superfamily homologous superfamily10 — Carbon-nitrogen hydrolase
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7. Citations (1)