← Back to search
2zex

Family 16 carbohydrate binding module

Method: X-RAY DIFFRACTION
▼

1. Protein Identity and Related Structures Protein Identity & Related Structures

S-layer associated multidomain endoglucanase

Thermoanaerobacterium polysaccharolyticum

UniProt Q9ZA17

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Monomer Protein 1 其他Polymer 1 beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose × 1 CALCIUM ION × 1 water × 1 Consistent with protein count
2 Other combination Monomer Protein 1 其他Polymer 1 beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose × 1 CALCIUM ION × 1 water × 1 Consistent with protein count
3 Other combination Homooligomer Protein 2 其他Polymer 2 beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose × 2 CALCIUM ION × 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
2zez 2zez 2zez 2zez

4 assemblies

Homodimer
2zew

1 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2zex 2zex 2zex 2zey 2zey 2zey 3oea 3oea 3oea 3oeb 3oeb

11 assemblies

View Construct and Data Evidence
UniProt name Q9ZA17_9THEO
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 5–147； UniProt 614–756 Author chain B； PDBConstruct 5–147； UniProt 614–756

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id2zex
Deposition date deposition_date2007-12-18
Structure title titleFamily 16 carbohydrate binding module
Keywords keywordsFamily 16 CBM-1 cellopentaose complex, Glycosidase, Hydrolase; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION
▼

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.

2zex__assembly_1__model_1

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

Download this curve (.dat)

2zex__assembly_1__model_1 | I(q)

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

2zex__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）16.29 Å
Rg (electron density)15.03 Å
Total Rg16.17 Å
Atom count1194
Residues147
Excluded volume21148 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2zex__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 2zex__assembly_2__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 2zex__assembly_3__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (4)

▼

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id2zexA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily260 — Galactose-binding domain-like
Domain ID domain_id2zexB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily260 — Galactose-binding domain-like
▶

7. Citations (1)