← Back to search
2bbk

CRYSTAL STRUCTURE OF THE QUINOPROTEIN METHYLAMINE DEHYDROGENASE FROM PARACOCCUS DENITRIFICANS AT 1.75 ANGSTROMS

Method: X-RAY DIFFRACTION
▼

1. Protein Identity and Related Structures Protein Identity & Related Structures

METHYLAMINE DEHYDROGENASE (HEAVY SUBUNIT)

Paracoccus denitrificans

UniProt P29894

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 METHYLAMINE DEHYDROGENASE (LIGHT SUBUNIT) × 2 （P22619） water × 4 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
1mg2 1mg2 1mg3 1mg3 2bbk 2gc4 2gc4 2gc4 2gc4 2j55 2j56 2j57

14 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name DHMH_PARDE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain H； PDBConstruct 1–355； UniProt 63–417 Author chain J； PDBConstruct 1–355； UniProt 63–417

METHYLAMINE DEHYDROGENASE (LIGHT SUBUNIT)

Paracoccus denitrificans

UniProt P22619

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 METHYLAMINE DEHYDROGENASE (HEAVY SUBUNIT) × 2 （P29894） water × 4 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
1mg2 1mg2 1mg3 1mg3 2bbk 2gc4 2gc4 2gc4 2gc4 2gc7 2gc7 2gc7

38 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name DHML_PARDE
Isoform —
PDB entities 2
Chains and sequence ranges Author chain L； PDBConstruct 1–125； UniProt 64–188 Author chain M； PDBConstruct 1–125； UniProt 64–188

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id2bbk
Deposition date deposition_date1993-12-17
Structure title titleCRYSTAL STRUCTURE OF THE QUINOPROTEIN METHYLAMINE DEHYDROGENASE FROM PARACOCCUS DENITRIFICANS AT 1.75 ANGSTROMS
Keywords keywordsELECTRON TRANSPORT; ELECTRON TRANSPORT
Experimental Method methodX-RAY DIFFRACTION
▼

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.

2bbk__assembly_1__model_1

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

Download this curve (.dat)

2bbk__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.

2bbk__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）30.16 Å
Rg (electron density)29.49 Å
Total Rg30.15 Å
Atom count7478
Residues958
Excluded volume131630 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2bbk__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (3)

▼

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd2bbkh_
Class classb — All beta proteins
Fold Fold foldb.69 — 7-bladed beta-propeller
Superfamily Superfamily superfamilyb.69.2 — YVTN repeat-like/Quinoprotein amine dehydrogenase
Family Family familyb.69.2.1 — Methylamine dehydrogenase, H-chain
Domain ID domain_idd2bbkj_
Class classb — All beta proteins
Fold Fold foldb.69 — 7-bladed beta-propeller
Superfamily Superfamily superfamilyb.69.2 — YVTN repeat-like/Quinoprotein amine dehydrogenase
Family Family familyb.69.2.1 — Methylamine dehydrogenase, H-chain
Domain ID domain_idd2bbkl_
Class classg — Small proteins
Fold Fold foldg.21 — Methylamine dehydrogenase, L chain
Superfamily Superfamily superfamilyg.21.1 — Methylamine dehydrogenase, L chain
Family Family familyg.21.1.1 — Methylamine dehydrogenase, L chain
Domain ID domain_idd2bbkm_
Class classg — Small proteins
Fold Fold foldg.21 — Methylamine dehydrogenase, L chain
Superfamily Superfamily superfamilyg.21.1 — Methylamine dehydrogenase, L chain
Family Family familyg.21.1.1 — Methylamine dehydrogenase, L chain

CATH v4.4 (4 domains)

Domain ID domain_id2bbkH00
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
Domain ID domain_id2bbkJ00
Class class2 — Mainly Beta
Architecture architecture130 — 7 Propeller
Topology topology10 — Methylamine Dehydrogenase; Chain H
Homologous superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
Domain ID domain_id2bbkL00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology30 — Electron Transport Ethylamine Dehydrogenase
Homologous superfamily homologous superfamily10 — Methylamine/Aralkylamine dehydrogenase light chain
Domain ID domain_id2bbkM00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology30 — Electron Transport Ethylamine Dehydrogenase
Homologous superfamily homologous superfamily10 — Methylamine/Aralkylamine dehydrogenase light chain
▶

7. Citations (5)