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1pt9

Crystal Structure Analysis of the DIII Component of Transhydrogenase with a Thio-Nicotinamide Nucleotide Analogue

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

NAD(P) transhydrogenase, mitochondrial

OrganismNot specified

UniProt Q13423

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 SULFATE ION × 1 7-THIONICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 GLYCEROL × 1 water × 1 Consistent with protein count
2 Protein monomer Monomer Protein 1 SULFATE ION × 1 7-THIONICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 GLYCEROL × 1 water × 1 Consistent with protein count
3 Protein homooligomer Homooligomer Protein 4 SULFATE ION × 4 7-THIONICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 4 GLYCEROL × 4 water × 4 Consistent with protein count
4 Protein homooligomer Homooligomer Protein 2 SULFATE ION × 2 7-THIONICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 2 GLYCEROL × 2 water × 2 Consistent with protein count
5 Protein homooligomer Homooligomer Protein 2 SULFATE ION × 2 7-THIONICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 2 GLYCEROL × 2 water × 2 Consistent with protein count
6 Protein homooligomer Homooligomer Protein 2 SULFATE ION × 2 7-THIONICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 2 GLYCEROL × 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1pt9 1pt9 1u31 1u31

4 assemblies

Homodimer
1djl 1pt9 1pt9 1pt9 1u31 1u31 1u31

7 assemblies

Homotetramer
1pt9

1 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name NNTM_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–207； UniProt 880–1086 Author chain B； PDBConstruct 1–207； UniProt 880–1086

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_id1pt9
Deposition date deposition_date2003-06-23
Structure title titleCrystal Structure Analysis of the DIII Component of Transhydrogenase with a Thio-Nicotinamide Nucleotide Analogue
Keywords keywordsTranshydrogenase, thio-nicotinamide, mitochondria, proton translocation, OXIDOREDUCTASE; OXIDOREDUCTASE
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.

1pt9__assembly_1__model_1

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

Download this curve (.dat)

1pt9__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.

1pt9__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）16.84 Å
Rg (electron density)15.60 Å
Total Rg16.72 Å
Atom count1436
Residues182
Excluded volume25621 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1pt9__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 1pt9__assembly_2__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 1pt9__assembly_3__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 1pt9__assembly_4__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
5 1 1pt9__assembly_5__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
6 1 1pt9__assembly_6__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 (5)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1pt9a_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.31 — DHS-like NAD/FAD-binding domain
Superfamily Superfamily superfamilyc.31.1 — DHS-like NAD/FAD-binding domain
Family Family familyc.31.1.4 — Transhydrogenase domain III (dIII)
Domain ID domain_idd1pt9b_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.31 — DHS-like NAD/FAD-binding domain
Superfamily Superfamily superfamilyc.31.1 — DHS-like NAD/FAD-binding domain
Family Family familyc.31.1.4 — Transhydrogenase domain III (dIII)

CATH v4.4 (2 domains)

Domain ID domain_id1pt9A00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1220 — TPP-binding domain
Domain ID domain_id1pt9B00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1220 — TPP-binding domain
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7. Citations (1)