4gyl

The E142L mutant of the amidase from Geobacillus pallidus showing the result of Michael addition of acrylamide at the active site cysteine

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 PROPIONAMIDE × 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_id4gyl
Deposition date deposition_date2012-09-05
Structure title titleThe E142L mutant of the amidase from Geobacillus pallidus showing the result of Michael addition of acrylamide at the active site cysteine
Keywords keywordsamidase, catalytic tetrad, amidase mechanism, acrylamide, Michael Adduct, 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.

4gyl__assembly_1__model_1

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

Download this curve (.dat)

4gyl__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.

4gyl__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)34.86 Å
Rg (electron density)33.84 Å
Total Rg34.42 Å
Atom count15930
Residues2040
Excluded volume282760 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4gyl__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 (4)

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id4gylA00
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)