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3ec7

Crystal Structure of Putative Dehydrogenase from Salmonella typhimurium LT2

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

Putative Dehydrogenase

Salmonella typhimurium

UniProt Q8ZK57

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 4 NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 4 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 4 ACETIC ACID × 2 1,2-ETHANEDIOL × 1 POTASSIUM ION × 1 water × 4 Consistent with protein count
2 Protein homooligomer Homooligomer Protein 2 NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 2 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 2 ACETIC ACID × 2 water × 2 Consistent with protein count
3 Protein homooligomer Homooligomer Protein 2 NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 2 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 2 1,2-ETHANEDIOL × 1 POTASSIUM ION × 1 water × 2 Consistent with protein count
4 Protein homooligomer Homooligomer Protein 4 NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 4 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 4 1,2-ETHANEDIOL × 4 POTASSIUM ION × 1 water × 4 Consistent with protein count
5 Protein homooligomer Homooligomer Protein 2 NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 2 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 2 1,2-ETHANEDIOL × 2 water × 2 Consistent with protein count
6 Protein homooligomer Homooligomer Protein 2 NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 2 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 2 1,2-ETHANEDIOL × 2 POTASSIUM ION × 1 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer
3ec7 3ec7 3ec7 3ec7

4 assemblies

Homotetramer
3ec7 3ec7

2 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name Q8ZK57_SALTY
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 22–357； UniProt 1–336 Author chain B； PDBConstruct 22–357； UniProt 1–336 Author chain C； PDBConstruct 22–357； UniProt 1–336 Author chain D； PDBConstruct 22–357； UniProt 1–336 Author chain E； PDBConstruct 22–357； UniProt 1–336 Author chain F； PDBConstruct 22–357； UniProt 1–336 Author chain G； PDBConstruct 22–357； UniProt 1–336 Author chain H； PDBConstruct 22–357； UniProt 1–336

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_id3ec7
Deposition date deposition_date2008-08-29
Structure title titleCrystal Structure of Putative Dehydrogenase from Salmonella typhimurium LT2
Keywords keywords;alpha-beta, Structural Genomics, PSI-2, Protein Structure Initiative, Midwest Center for Structural Genomics, MCSG, unknown function, 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.

3ec7__assembly_1__model_1

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

Download this curve (.dat)

3ec7__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

3ec7__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）36.21 Å
Rg (electron density)35.68 Å
Total Rg35.98 Å
Atom count10703
Residues1312
Excluded volume190530 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3ec7__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 3ec7__assembly_2__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 3ec7__assembly_3__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 3ec7__assembly_4__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
5 1 3ec7__assembly_5__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
6 1 3ec7__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 (7)

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6. Fold Classification (SCOP + CATH) 16 domains

CATH v4.4 (16 domains)

Domain ID domain_id3ec7A01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id3ec7A02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology360 — Dihydrodipicolinate Reductase; domain 2
Homologous superfamily homologous superfamily10 — Dihydrodipicolinate Reductase; domain 2
Domain ID domain_id3ec7B01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id3ec7B02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology360 — Dihydrodipicolinate Reductase; domain 2
Homologous superfamily homologous superfamily10 — Dihydrodipicolinate Reductase; domain 2
Domain ID domain_id3ec7C01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id3ec7C02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology360 — Dihydrodipicolinate Reductase; domain 2
Homologous superfamily homologous superfamily10 — Dihydrodipicolinate Reductase; domain 2
Domain ID domain_id3ec7D01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id3ec7D02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology360 — Dihydrodipicolinate Reductase; domain 2
Homologous superfamily homologous superfamily10 — Dihydrodipicolinate Reductase; domain 2
Domain ID domain_id3ec7E01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id3ec7E02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology360 — Dihydrodipicolinate Reductase; domain 2
Homologous superfamily homologous superfamily10 — Dihydrodipicolinate Reductase; domain 2
Domain ID domain_id3ec7F01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id3ec7F02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology360 — Dihydrodipicolinate Reductase; domain 2
Homologous superfamily homologous superfamily10 — Dihydrodipicolinate Reductase; domain 2
Domain ID domain_id3ec7G01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id3ec7G02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology360 — Dihydrodipicolinate Reductase; domain 2
Homologous superfamily homologous superfamily10 — Dihydrodipicolinate Reductase; domain 2
Domain ID domain_id3ec7H01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id3ec7H02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology360 — Dihydrodipicolinate Reductase; domain 2
Homologous superfamily homologous superfamily10 — Dihydrodipicolinate Reductase; domain 2
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7. Citations (1)