1pex

COLLAGENASE-3 (MMP-13) C-TERMINAL HEMOPEXIN-LIKE DOMAIN

Method: X-RAY DIFFRACTION Dmax: 53.7 Å Quality: GOOD

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

COLLAGENASE-3

Homo sapiens

UniProt P45452

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 265–471 Fragment:C-TERMINAL HEMOPEXIN-LIKE DOMAIN SO4 SULFATE ION × 1 CL CHLORIDE ION × 2 CA CALCIUM ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.70 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.

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

View Construct and Data Evidence
UniProt name MMP13_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–207; UniProt 265–471

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 1pex

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1pex
Deposition date deposition_date1996-05-24
Structure title titleCOLLAGENASE-3 (MMP-13) C-TERMINAL HEMOPEXIN-LIKE DOMAIN
Keywords keywordsC-TERMINAL HEMOPEXIN-LIKE DOMAIN OF MATRIX-METALLOPROTEINASE, METALLOPROTEASE; METALLOPROTEASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.33
Radius of gyration Rg (electron density) rg_electron15.98
Forward intensity I(0) i08985360.00
Molecular weight molecular_weight22749.0 kDa
Excluded volume excluded_volume28669 ų
Envelope volume envelope_volume32059 ų
Hydration-shell volume shell_volume16509 ų
Envelope diameter envelope_diameter51.8
Shell Rg shell_rg22.33
Envelope Rg envelope_rg16.18
Shape Rg shape_rg15.97
Total Rg total_rg17.10
Total atoms total_atoms1605
Residues n_residues192
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 dmax53.7
Rg (real space) rg_real17.18
Rg uncertainty (real space) rg_real_error0.27
I(0) (real space) i0_real8.9850e+06
I(0) uncertainty (real space) i0_real_error1.0840e+05
Rg (reciprocal space) rg_reciprocal17.20
I(0) (reciprocal space) i0_reciprocal8985000.0000
Solution quality estimate total_estimate0.8932
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.9
Skewness Skewness skewness0.054
Kurtosis Kurtosis kurtosis-0.469
Angular range angular_range— – 0.4600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2224000.0000
Real-space data points n_real_points77
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.877; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.977; Smooth: 0.999

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1pexa_
Class classb — All beta proteins
Fold Fold foldb.66 — 4-bladed beta-propeller
Superfamily Superfamily superfamilyb.66.1 — Hemopexin-like domain
Family Family familyb.66.1.1 — Hemopexin-like domain

CATH v4.4 (1 domains)

Domain ID domain_id1pexA00
Class class2 — Mainly Beta
Architecture architecture110 — 4 Propeller
Topology topology10 — Hemopexin
Homologous superfamily homologous superfamily10 — Hemopexin-like domain

8. Citations (1)

9. Files and Curves (10)