1sln

CRYSTAL STRUCTURE OF THE CATALYTIC DOMAIN OF HUMAN FIBROBLAST STROMELYSIN-1 INHIBITED WITH THE N-CARBOXY-ALKYL INHIBITOR L-702,842

Method: X-RAY DIFFRACTION Dmax: 51.0 Å Quality: REASONABLE

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 100–272 Fragment:CATALYTIC DOMAIN RESIDUES 83 - 255 ZN ZINC ION × 2 CA CALCIUM ION × 3 8MI N-(R-CARBOXY-ETHYL)-ALPHA-(S)-(2-PHENYLETHYL)GLYCYL-L-ARGININE-N-PHENYLAMIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.54;HANGING DROP VAPOR DIFFUSION. 1.5 MICROLITER DROPS OF ENZYME:INHIBITOR SOLUTION (9 MG/ML ENZYME, 1.5 MILLIMOLAR INHIBITOR, 5.0 MILLIMOLAR CALCIUM CHLORIDE, 0.02% SODIUM AZIDE, 20 MILLIMOLAR TRIS HYDROCHLORIDE, PH 7.5) WERE MIXED WITH AN EQUAL VOLUME OF RESERVOIR BUFFER (10% PEG-6000, 15% SATURATED AMMONIUM ACETATE 0.02% SODIUM AZIDE, 0.1 M CACODYLATE, PH 5.54) AND INCUBATED AT ROOM TEMPERATURE., vapor diffusion - hanging drop Resolution 2.27 Å R-free 0.299

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

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 1sln

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1sln
Deposition date deposition_date1995-08-03
Structure title titleCRYSTAL STRUCTURE OF THE CATALYTIC DOMAIN OF HUMAN FIBROBLAST STROMELYSIN-1 INHIBITED WITH THE N-CARBOXY-ALKYL INHIBITOR L-702,842
Keywords keywordsHYDROLASE, METALLOPROTEASE, FIBROBLAST, COLLAGEN DEGRADATION; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier16.28
Radius of gyration Rg (electron density) rg_electron14.96
Forward intensity I(0) i07071540.00
Molecular weight molecular_weight19574.0 kDa
Excluded volume excluded_volume24471 ų
Envelope volume envelope_volume26996 ų
Hydration-shell volume shell_volume14864 ų
Envelope diameter envelope_diameter49.3
Shell Rg shell_rg21.23
Envelope Rg envelope_rg15.29
Shape Rg shape_rg14.95
Total Rg total_rg16.14
Total atoms total_atoms1657
Residues n_residues168
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 dmax51.0
Rg (real space) rg_real16.14
Rg uncertainty (real space) rg_real_error0.24
I(0) (real space) i0_real7.0720e+06
I(0) uncertainty (real space) i0_real_error7.9740e+04
Rg (reciprocal space) rg_reciprocal16.16
I(0) (reciprocal space) i0_reciprocal7072000.0000
Solution quality estimate total_estimate0.7408
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary20.9
Skewness Skewness skewness0.043
Kurtosis Kurtosis kurtosis-0.463
Angular range angular_range— – 0.4900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1176000.0000
Real-space data points n_real_points79
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.867; Stabil: 1.000; Sysdev: 0.353; Positv: 1.000; Valcen: 0.976; Smooth: 0.992

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_idd1slna_
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 (1 domains)

Domain ID domain_id1slnA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology390 — Collagenase (Catalytic Domain)
Homologous superfamily homologous superfamily10 — Collagenase (Catalytic Domain)

8. Citations (4)

9. Files and Curves (10)