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1mda

CRYSTAL STRUCTURE OF AN ELECTRON-TRANSFER COMPLEX BETWEEN METHYLAMINE DEHYDROGENASE AND AMICYANIN

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

AMICYANIN

Paracoccus denitrificans

UniProt P22364

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 6 METHYLAMINE DEHYDROGENASE (HEAVY SUBUNIT) × 2 METHYLAMINE DEHYDROGENASE (LIGHT SUBUNIT) × 2 COPPER (II) ION × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1aac 1aaj 1aan 1bxa 1sf3 1sf5 1sfd 1sfd 1sfh 1sfh 1t5k 1t5k

37 assemblies; showing the first 12

Homodimer

None

Homotetramer

None

Other homooligomers
3ie9 3ie9 3iea

3 assemblies

Heteromeric or nucleic-acid complex
1mda 1mg2 1mg2 1mg3 1mg3 2gc4 2gc4 2gc4 2gc4 2gc7 2gc7 2gc7

18 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name AMCY_PARDE
Isoform —
PDB entities 3
Chains and sequence ranges Author chain A； PDBConstruct 1–103； UniProt 29–131 Author chain B； PDBConstruct 1–103； UniProt 29–131

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_id1mda
Deposition date deposition_date1992-03-02
Structure title titleCRYSTAL STRUCTURE OF AN ELECTRON-TRANSFER COMPLEX BETWEEN METHYLAMINE DEHYDROGENASE AND AMICYANIN
Keywords keywordsELECTRON TRANSPORT; ELECTRON TRANSPORT
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.

1mda__assembly_1__model_1

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

Download this curve (.dat)

1mda__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.

1mda__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）32.64 Å
Rg (electron density)32.13 Å
Total Rg32.76 Å
Atom count8567
Residues1182
Excluded volume150040 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1mda__assembly_1__model_1 hexameric （6） 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) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1mdaa_
Class classb — All beta proteins
Fold Fold foldb.6 — Cupredoxin-like
Superfamily Superfamily superfamilyb.6.1 — Cupredoxins
Family Family familyb.6.1.1 — Plastocyanin/azurin-like
Domain ID domain_idd1mdab_
Class classb — All beta proteins
Fold Fold foldb.6 — Cupredoxin-like
Superfamily Superfamily superfamilyb.6.1 — Cupredoxins
Family Family familyb.6.1.1 — Plastocyanin/azurin-like
Domain ID domain_idd1mdah_
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_idd1mdaj_
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_idd1mdal_
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_idd1mdam_
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 (6 domains)

Domain ID domain_id1mdaA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins
Domain ID domain_id1mdaB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins
Domain ID domain_id1mdaH00
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_id1mdaJ00
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_id1mdaL00
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_id1mdaM00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology30 — Electron Transport Ethylamine Dehydrogenase
Homologous superfamily homologous superfamily10 — Methylamine/Aralkylamine dehydrogenase light chain
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7. Citations (5)