1b3d

STROMELYSIN-1

Method: X-RAY DIFFRACTION Dmax: 76.0 Å Quality: GOOD

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

STROMELYSIN-1

Homo sapiens

UniProt P08254

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 100–272 Chain B; UniProt 100–272 Not recorded ZN ZINC ION × 4 CA CALCIUM ION × 6 S27 N-[[2-METHYL-4-HYDROXYCARBAMOYL]BUT-4-YL-N]-BENZYL-P-[PHENYL]-P-[METHYL]PHOSPHINAMID × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.4;20-24% PEG 8000, 2.5% 2-PROPANOL, 10 MM CACL2 0.1 M TRIS-HCL BUFFER, PH 7.5-8.5, pH 7.4 Resolution 2.30 Å R-free 0.263

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.

43 other PDB entries and 80 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MMP3_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–173; UniProt 100–272 Author chain B; PDBConstruct 1–173; UniProt 100–272

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 1b3d

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1b3d
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1b3d
Deposition date deposition_date1998-12-09
Structure title titleSTROMELYSIN-1
Keywords keywords;STROMELYSIN, MATRIX METALLOPROTEINASE, OSTEOARTHRITIS, PROTEIN CRYSTAL STRUCTURE, STRUCTURE-BASED DRUG DESIGN, PROTEIN, HYDROLASE-HYDROLASE INHIBITOR COMPLEX ;; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.13
Radius of gyration Rg (electron density) rg_electron23.43
Forward intensity I(0) i026075800.00
Molecular weight molecular_weight39213.0 kDa
Excluded volume excluded_volume48900 ų
Envelope volume envelope_volume58801 ų
Hydration-shell volume shell_volume21738 ų
Envelope diameter envelope_diameter77.7
Shell Rg shell_rg29.52
Envelope Rg envelope_rg23.36
Shape Rg shape_rg23.41
Total Rg total_rg24.25
Total atoms total_atoms2758
Residues n_residues342
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 dmax76.0
Rg (real space) rg_real24.23
Rg uncertainty (real space) rg_real_error0.48
I(0) (real space) i0_real2.6080e+07
I(0) uncertainty (real space) i0_real_error3.7270e+05
Rg (reciprocal space) rg_reciprocal24.21
I(0) (reciprocal space) i0_reciprocal26080000.0000
Solution quality estimate total_estimate0.8905
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.7
Skewness Skewness skewness0.397
Kurtosis Kurtosis kurtosis-0.550
Angular range angular_range— – 0.3300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6064000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.883; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.932; Smooth: 0.991

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1b3da_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.92 — Zincin-like
Superfamily Superfamily superfamilyd.92.1 — Metalloproteases ('zincins'), catalytic domain
Family Family familyd.92.1.11 — Matrix metalloproteases, catalytic domain
Domain ID domain_idd1b3db_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.92 — Zincin-like
Superfamily Superfamily superfamilyd.92.1 — Metalloproteases ('zincins'), catalytic domain
Family Family familyd.92.1.11 — Matrix metalloproteases, catalytic domain

CATH v4.4 (2 domains)

Domain ID domain_id1b3dA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology390 — Collagenase (Catalytic Domain)
Homologous superfamily homologous superfamily10 — Collagenase (Catalytic Domain)
Domain ID domain_id1b3dB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology390 — Collagenase (Catalytic Domain)
Homologous superfamily homologous superfamily10 — Collagenase (Catalytic Domain)

8. Citations (1)

9. Files and Curves (10)