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2hzl

Crystal structures of a sodium-alpha-keto acid binding subunit from a TRAP transporter in its closed forms

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

TRAP-T family sorbitol/mannitol transporter, periplasmic binding protein, SmoM

Rhodobacter sphaeroides 2.4.1

UniProt Q3J1R2

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 SODIUM ION × 2 PYRUVIC ACID × 3 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer
2hzk 2hzk 2hzl

3 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name Q3J1R2_RHOS4
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–365； UniProt 1–365 Author chain B； PDBConstruct 1–365； UniProt 1–365

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_id2hzl
Deposition date deposition_date2006-08-09
Structure title titleCrystal structures of a sodium-alpha-keto acid binding subunit from a TRAP transporter in its closed forms
Keywords keywordsTRAP transporter, periplasmic subunit, LIGAND BINDING, TRANSPORT PROTEIN; LIGAND BINDING, TRANSPORT 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.

2hzl__assembly_1__model_1

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

Download this curve (.dat)

2hzl__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.

2hzl__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）25.58 Å
Rg (electron density)24.57 Å
Total Rg25.53 Å
Atom count5271
Residues671
Excluded volume93575 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2hzl__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 (4)

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id2hzlA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily170 — Bacterial extracellular solute-binding protein, family 7
Domain ID domain_id2hzlA02
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_id2hzlB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily170 — Bacterial extracellular solute-binding protein, family 7
Domain ID domain_id2hzlB02
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
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7. Citations (1)