3a1i

Crystal structure of Rhodococcus sp. N-771 Amidase complexed with Benzamide

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

Amidase

Rhodococcus sp. N-771

UniProt Q7DKE4

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 BENZAMIDE × 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q7DKE4_9NOCA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–521; UniProt 1–521

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_id3a1i
Deposition date deposition_date2009-04-03
Structure title titleCrystal structure of Rhodococcus sp. N-771 Amidase complexed with Benzamide
Keywords keywordsamidase, AS family enzyme, 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.

3a1i__assembly_1__model_1

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

Download this curve (.dat)

3a1i__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.

3a1i__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)30.00 Å
Rg (electron density)29.20 Å
Total Rg29.92 Å
Atom count7534
Residues1016
Excluded volume132860 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3a1i__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 (3)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id3a1iA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology20 — Histone, subunit A
Homologous superfamily homologous superfamily60 — Glu-tRNAGln amidotransferase C subunit, N-terminal domain
Domain ID domain_id3a1iA02
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1300 — Amidase signature (AS) enzymes
Homologous superfamily homologous superfamily10 — Amidase signature (AS) domain
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7. Citations (1)