2mta

CRYSTAL STRUCTURE OF A TERNARY ELECTRON TRANSFER COMPLEX BETWEEN METHYLAMINE DEHYDROGENASE, AMICYANIN AND A C-TYPE CYTOCHROME

Method: X-RAY DIFFRACTION Dmax: 118.1 Å Quality: GOOD

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

METHYLAMINE DEHYDROGENASE (HEAVY SUBUNIT)

Paracoccus denitrificans

UniProt P29894

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain H; UniProt 45–417 Not recorded METHYLAMINE DEHYDROGENASE (LIGHT SUBUNIT) × 2 (P22619) AMICYANIN × 2 (P22364) CYTOCHROME C551I × 2 (P29899) PO4 PHOSPHATE ION × 2 CU COPPER (II) ION × 2 HEC HEME C × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.40 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

7 other PDB entries and 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DHMH_PARDE
Isoform
PDB entities 1
Chains and sequence ranges Author chain H; PDBConstruct 1–373; UniProt 45–417

METHYLAMINE DEHYDROGENASE (LIGHT SUBUNIT)

Paracoccus denitrificans

UniProt P22619

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain L; UniProt 64–188 Non-standard monomer:Yes (specific site not provided by mmCIF) METHYLAMINE DEHYDROGENASE (HEAVY SUBUNIT) × 2 (P29894) AMICYANIN × 2 (P22364) CYTOCHROME C551I × 2 (P29899) PO4 PHOSPHATE ION × 2 CU COPPER (II) ION × 2 HEC HEME C × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.40 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

28 other PDB entries and 37 assemblies. Open the comparison page and filter oligomeric states

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

AMICYANIN

Paracoccus denitrificans

UniProt P22364

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain A; UniProt 27–131 Not recorded METHYLAMINE DEHYDROGENASE (HEAVY SUBUNIT) × 2 (P29894) METHYLAMINE DEHYDROGENASE (LIGHT SUBUNIT) × 2 (P22619) CYTOCHROME C551I × 2 (P29899) PO4 PHOSPHATE ION × 2 CU COPPER (II) ION × 2 HEC HEME C × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.40 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

34 other PDB entries and 57 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name AMCY_PARDE
Isoform
PDB entities 3
Chains and sequence ranges Author chain A; PDBConstruct 1–105; UniProt 27–131

CYTOCHROME C551I

Paracoccus denitrificans

UniProt P29899

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain C; UniProt 23–169 Not recorded METHYLAMINE DEHYDROGENASE (HEAVY SUBUNIT) × 2 (P29894) METHYLAMINE DEHYDROGENASE (LIGHT SUBUNIT) × 2 (P22619) AMICYANIN × 2 (P22364) PO4 PHOSPHATE ION × 2 CU COPPER (II) ION × 2 HEC HEME C × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.40 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

2 other PDB entries and 8 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CYCL_PARDE
Isoform
PDB entities 4
Chains and sequence ranges Author chain C; PDBConstruct 1–147; UniProt 23–169

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.

SAXS scattering curve SAXS Profile

SAXS profile for 2mta

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2mta
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2mta
Deposition date deposition_date1993-10-26
Structure title titleCRYSTAL STRUCTURE OF A TERNARY ELECTRON TRANSFER COMPLEX BETWEEN METHYLAMINE DEHYDROGENASE, AMICYANIN AND A C-TYPE CYTOCHROME
Keywords keywordsELECTRON TRANSPORT; ELECTRON TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier29.81
Radius of gyration Rg (electron density) rg_electron29.13
Forward intensity I(0) i0115176000.00
Molecular weight molecular_weight83185.0 kDa
Excluded volume excluded_volume103070 ų
Envelope volume envelope_volume127840 ų
Hydration-shell volume shell_volume36936 ų
Envelope diameter envelope_diameter123.8
Shell Rg shell_rg35.59
Envelope Rg envelope_rg29.89
Shape Rg shape_rg29.12
Total Rg total_rg29.74
Total atoms total_atoms5854
Residues n_residues749
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax118.1
Rg (real space) rg_real29.93
Rg uncertainty (real space) rg_real_error1.36
I(0) (real space) i0_real1.1520e+08
I(0) uncertainty (real space) i0_real_error1.9730e+06
Rg (reciprocal space) rg_reciprocal29.88
I(0) (reciprocal space) i0_reciprocal115200000.0000
Solution quality estimate total_estimate0.7857
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.4
Skewness Skewness skewness0.578
Kurtosis Kurtosis kurtosis0.374
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha27900000.0000
Real-space data points n_real_points54
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.477; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.783; Smooth: 0.994

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd2mtaa_
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_idd2mtac_
Class classa — All alpha proteins
Fold Fold folda.3 — Cytochrome c
Superfamily Superfamily superfamilya.3.1 — Cytochrome c
Family Family familya.3.1.1 — monodomain cytochrome c
Domain ID domain_idd2mtah_
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_idd2mtal_
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_id2mtaA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily420 — Cupredoxins - blue copper proteins
Domain ID domain_id2mtaC00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology760 — Cytochrome Bc1 Complex; Chain D, domain 2
Homologous superfamily homologous superfamily10 — Cytochrome c-like domain
Domain ID domain_id2mtaH00
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_id2mtaL00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology30 — Electron Transport Ethylamine Dehydrogenase
Homologous superfamily homologous superfamily10 — Methylamine/Aralkylamine dehydrogenase light chain

8. Citations (5)

9. Files and Curves (10)