1xmb

X-ray structure of IAA-aminoacid hydrolase from Arabidopsis thaliana gene AT5G56660

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

IAA-amino acid hydrolase homolog 2

Arabidopsis thaliana

UniProt P54970

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ILL2_ARATH
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–418; UniProt 22–439

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_id1xmb
Deposition date deposition_date2004-10-01
Structure title titleX-ray structure of IAA-aminoacid hydrolase from Arabidopsis thaliana gene AT5G56660
Keywords keywords;STRUCTURAL GENOMICS, PROTEIN STRUCTURE INITIATIVE, PSI, CESG, AT5G56660, ILL2, indole-3-acetic acid, auxin, Center for Eukaryotic Structural Genomics, 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.

1xmb__assembly_1__model_1

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

Download this curve (.dat)

1xmb__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1xmb__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)23.26 Å
Rg (electron density)22.64 Å
Total Rg23.45 Å
Atom count2889
Residues375
Excluded volume51711 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1xmb__assembly_1__model_1 monomeric (1) 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 (2)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1xmba1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamilyc.56.5 — Zn-dependent exopeptidases
Family Family familyc.56.5.4 — Bacterial dinuclear zinc exopeptidases
Domain ID domain_idd1xmba2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.19 — Bacterial exopeptidase dimerisation domain
Family Family familyd.58.19.1 — Bacterial exopeptidase dimerisation domain

CATH v4.4 (2 domains)

Domain ID domain_id1xmbA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily10 — Zn peptidases
Domain ID domain_id1xmbA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily360 —
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7. Citations (1)