1oa4

Comparison of Family 12 Glycoside Hydrolases and Recruited Substitutions Important for Thermal Stability

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

ENDO-BETA-1,4-GLUCANASE

STREPTOMYCES SP. 11AG8

UniProt Q9KIH1

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 Q9KIH1
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–222; UniProt 32–253

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_id1oa4
Deposition date deposition_date2002-12-28
Structure title titleComparison of Family 12 Glycoside Hydrolases and Recruited Substitutions Important for Thermal Stability
Keywords keywordsHYDROLASE, CELLULASE, CELLULOSE DEGRADATION, ENDOGLUCANASE, GLYCOSYL HYDROLASE, GH FAMILY 12, STREPTOMYCES SP 11AG8 CEL12A; 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.

1oa4__assembly_1__model_1

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

Download this curve (.dat)

1oa4__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.

1oa4__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)17.11 Å
Rg (electron density)15.80 Å
Total Rg16.88 Å
Atom count1685
Residues222
Excluded volume29344 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1oa4__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) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1oa4a_
Class classb — All beta proteins
Fold Fold foldb.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamilyb.29.1 — Concanavalin A-like lectins/glucanases
Family Family familyb.29.1.11 — Xylanase/endoglucanase 11/12

CATH v4.4 (1 domains)

Domain ID domain_id1oa4A00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily180 — Glycoside hydrolase family 11/12, catalytic domain
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7. Citations (1)