1dnw

HUMAN MYELOPEROXIDASE-CYANIDE-THIOCYANATE COMPLEX

Method: X-RAY DIFFRACTION Dmax: 110.7 Å Quality: GOOD

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

MYELOPEROXIDASE

OrganismNot specified

UniProt P05164

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Homooligomer Protein × 4 其他Polymer 2 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 167–270 Chain B; UniProt 167–270 Chain C; UniProt 279–744 Chain D; UniProt 279–744 Fragment:MYELOPEROXIDASE LIGHT CHAIN CONTAINING RESIDUES 1 TO 104 Fragment:MYELOPEROXIDASE HEAVY CHAIN CONTAINING RESIDUES 113 TO 578 Non-standard monomer:Yes (specific site not provided by mmCIF) ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 SCN THIOCYANATE ION × 4 SO4 SULFATE ION × 3 CYN CYANIDE ION × 4 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 CA CALCIUM ION × 2 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 ACY ACETIC ACID × 6 X-RAY DIFFRACTION X-ray crystallization conditions:Vapor Diffusion, Hanging Drop with Macro Seeding;pH 5.5;295 K;Co-crystal grown from sodium cyanide, sodium acetate, ammonium, sulfate, calcium chloride, and PEG MW 8000. It was subsequently equilibrated with a substitute mother liquor containing sodium thiocyanate, pH 5.5, Vapor Diffusion, Hanging Drop with Macro Seeding, temperature 22K Resolution 1.90 Å R-free 0.224
2 Other combination Homooligomer Protein × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 167–270 Chain C; UniProt 279–744 Fragment:MYELOPEROXIDASE LIGHT CHAIN CONTAINING RESIDUES 1 TO 104 Fragment:MYELOPEROXIDASE HEAVY CHAIN CONTAINING RESIDUES 113 TO 578 Non-standard monomer:Yes (specific site not provided by mmCIF) ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 SCN THIOCYANATE ION × 2 SO4 SULFATE ION × 2 CYN CYANIDE ION × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CA CALCIUM ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 ACY ACETIC ACID × 3 X-RAY DIFFRACTION X-ray crystallization conditions:Vapor Diffusion, Hanging Drop with Macro Seeding;pH 5.5;295 K;Co-crystal grown from sodium cyanide, sodium acetate, ammonium, sulfate, calcium chloride, and PEG MW 8000. It was subsequently equilibrated with a substitute mother liquor containing sodium thiocyanate, pH 5.5, Vapor Diffusion, Hanging Drop with Macro Seeding, temperature 22K Resolution 1.90 Å R-free 0.224
3 Other combination Homooligomer Protein × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 167–270 Chain D; UniProt 279–744 Fragment:MYELOPEROXIDASE LIGHT CHAIN CONTAINING RESIDUES 1 TO 104 Fragment:MYELOPEROXIDASE HEAVY CHAIN CONTAINING RESIDUES 113 TO 578 Non-standard monomer:Yes (specific site not provided by mmCIF) ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 SCN THIOCYANATE ION × 2 SO4 SULFATE ION × 1 CYN CYANIDE ION × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CA CALCIUM ION × 1 HEM PROTOPORPHYRIN IX CONTAINING FE × 1 ACY ACETIC ACID × 3 X-RAY DIFFRACTION X-ray crystallization conditions:Vapor Diffusion, Hanging Drop with Macro Seeding;pH 5.5;295 K;Co-crystal grown from sodium cyanide, sodium acetate, ammonium, sulfate, calcium chloride, and PEG MW 8000. It was subsequently equilibrated with a substitute mother liquor containing sodium thiocyanate, pH 5.5, Vapor Diffusion, Hanging Drop with Macro Seeding, temperature 22K Resolution 1.90 Å R-free 0.224

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.

48 other PDB entries and 106 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PERM_HUMAN
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–104; UniProt 167–270 Author chain B; PDBConstruct 1–104; UniProt 167–270 Author chain C; PDBConstruct 1–466; UniProt 279–744 Author chain D; PDBConstruct 1–466; UniProt 279–744

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 1dnw

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1dnw
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1dnw
Deposition date deposition_date1999-12-16
Structure title titleHUMAN MYELOPEROXIDASE-CYANIDE-THIOCYANATE COMPLEX
Keywords keywordsoxidoreductase, peroxidase, substrate complex, thiocyanate, halide peroxidation; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier34.05
Radius of gyration Rg (electron density) rg_electron33.43
Forward intensity I(0) i0293125000.00
Molecular weight molecular_weight135360.0 kDa
Excluded volume excluded_volume168230 ų
Envelope volume envelope_volume201010 ų
Hydration-shell volume shell_volume49274 ų
Envelope diameter envelope_diameter119.2
Shell Rg shell_rg40.90
Envelope Rg envelope_rg33.56
Shape Rg shape_rg33.41
Total Rg total_rg34.01
Total atoms total_atoms9487
Residues n_residues1138
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 dmax110.7
Rg (real space) rg_real34.08
Rg uncertainty (real space) rg_real_error0.70
I(0) (real space) i0_real2.9310e+08
I(0) uncertainty (real space) i0_real_error4.9440e+06
Rg (reciprocal space) rg_reciprocal34.06
I(0) (reciprocal space) i0_reciprocal293100000.0000
Solution quality estimate total_estimate0.8835
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary36.1
Skewness Skewness skewness0.390
Kurtosis Kurtosis kurtosis-0.417
Angular range angular_range— – 0.2300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha109000000.0000
Real-space data points n_real_points47
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.870; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.871

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (11)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1dnw.1
Class classa — All alpha proteins
Fold Fold folda.93 — Heme-dependent peroxidases
Superfamily Superfamily superfamilya.93.1 — Heme-dependent peroxidases
Family Family familya.93.1.2 — Myeloperoxidase-like
Domain ID domain_idd1dnw.2
Class classa — All alpha proteins
Fold Fold folda.93 — Heme-dependent peroxidases
Superfamily Superfamily superfamilya.93.1 — Heme-dependent peroxidases
Family Family familya.93.1.2 — Myeloperoxidase-like

CATH v4.4 (2 domains)

Domain ID domain_id1dnwC00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology640 — Myeloperoxidase, subunit C
Homologous superfamily homologous superfamily10 — Haem peroxidase domain superfamily, animal type
Domain ID domain_id1dnwD00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology640 — Myeloperoxidase, subunit C
Homologous superfamily homologous superfamily10 — Haem peroxidase domain superfamily, animal type

8. Citations (1)

9. Files and Curves (10)