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4jsd

The X-ray crystal structure of a thermophilic cellobiose binding protein bound with laminaribiose

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

Oligopeptide ABC transporter, periplasmic oligopeptide-binding protein

Thermotoga maritima

UniProt Q9WXN8

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-(1-3)-beta-D-glucopyranose × 1 CALCIUM ION × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2o7i 3i5o 3i5o 4jsd 4jso

5 assemblies

View Construct and Data Evidence
UniProt name Q9WXN8_THEMA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–582； UniProt 24–605

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_id4jsd
Deposition date deposition_date2013-03-22
Structure title titleThe X-ray crystal structure of a thermophilic cellobiose binding protein bound with laminaribiose
Keywords keywordsPERIPLASMIC BINDING PROTEIN, THERMOPHILIC PROTEIN, CELLULOSE, SUGAR BINDING PROTEIN, CELLOBIOSE BINDING PROTEIN; SUGAR BINDING PROTEIN
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.

4jsd__assembly_1__model_1

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

Download this curve (.dat)

4jsd__assembly_1__model_1 | I(q)

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

4jsd__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）24.86 Å
Rg (electron density)23.66 Å
Total Rg24.70 Å
Atom count4804
Residues582
Excluded volume85829 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4jsd__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 (4)

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6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id4jsdA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
Domain ID domain_id4jsdA02
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology76 — Dipeptide-binding Protein; domain 1
Homologous superfamily homologous superfamily10 — Dipeptide-binding Protein; Domain 1
Domain ID domain_id4jsdA03
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology105 — Dipeptide-binding Protein; domain 3
Homologous superfamily homologous superfamily10 — Dipeptide-binding Protein; Domain 3
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7. Citations (1)