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4pft

Crystal structure of mannobiose bound oligopeptide ABC transporter, periplasmic oligopeptide-binding protein (TM1223) from THERMOTOGA MARITIMA at 1.75 A resolution

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

ABC transporter substrate-binding protein

Thermotoga maritima

UniProt Q9X0V0

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-mannopyranose-(1-4)-beta-D-mannopyranose × 1 MAGNESIUM ION × 1 NITRATE ION × 1 water × 1 Consistent with protein count
2 Other combination Monomer Protein 1 其他Polymer 1 beta-D-mannopyranose-(1-4)-beta-D-mannopyranose × 1 MAGNESIUM ION × 1 NITRATE ION × 2 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1vr5 1vr5

2 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
4pft 4pft 4pfy 4pfy

4 assemblies

View Construct and Data Evidence
UniProt name Q9X0V0_THEMA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 2–538； UniProt 21–557 Author chain B； PDBConstruct 2–538； UniProt 21–557

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_id4pft
Deposition date deposition_date2014-04-30
Structure title titleCrystal structure of mannobiose bound oligopeptide ABC transporter, periplasmic oligopeptide-binding protein (TM1223) from THERMOTOGA MARITIMA at 1.75 A resolution
Keywords keywordsoligopeptide ABC transporter, periplasmic oligopeptide-binding protein, TRANSPORT PROTEIN; 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.

4pft__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

4pft__assembly_2__model_1 | I(q)

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

4pft__assembly_2__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）24.70 Å
Rg (electron density)23.50 Å
Total Rg24.53 Å
Atom count4412
Residues538
Excluded volume78832 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4pft__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 4pft__assembly_2__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 (5)

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd4pfta1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.94 — Periplasmic binding protein-like II
Superfamily Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
Family Family familyc.94.1.1 — Phosphate binding protein-like
Domain ID domain_idd4pfta2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd4pftb1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.94 — Periplasmic binding protein-like II
Superfamily Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
Family Family familyc.94.1.1 — Phosphate binding protein-like
Domain ID domain_idd4pftb2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (6 domains)

Domain ID domain_id4pftA01
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_id4pftA02
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_id4pftA03
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology105 — Dipeptide-binding Protein; domain 3
Homologous superfamily homologous superfamily10 — Dipeptide-binding Protein; Domain 3
Domain ID domain_id4pftB01
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_id4pftB02
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_id4pftB03
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)