1g4k

X-ray Structure of a Novel Matrix Metalloproteinase Inhibitor Complexed to Stromelysin

Method: X-RAY DIFFRACTION Dmax: 94.5 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 83–250 Fragment:CATALYTIC DOMAIN ZN ZINC ION × 2 CA CALCIUM ION × 3 HQQ 5-METHYL-5-(4-PHENOXY-PHENYL)-PYRIMIDINE-2,4,6-TRIONE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;PEG-MME 5000, ammonium sulfate, hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.00 Å R-free 0.284
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 83–250 Fragment:CATALYTIC DOMAIN ZN ZINC ION × 2 CA CALCIUM ION × 3 HQQ 5-METHYL-5-(4-PHENOXY-PHENYL)-PYRIMIDINE-2,4,6-TRIONE × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;PEG-MME 5000, ammonium sulfate, hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.00 Å R-free 0.284
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 83–250 Fragment:CATALYTIC DOMAIN ZN ZINC ION × 2 CA CALCIUM ION × 3 HQQ 5-METHYL-5-(4-PHENOXY-PHENYL)-PYRIMIDINE-2,4,6-TRIONE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;PEG-MME 5000, ammonium sulfate, hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.00 Å R-free 0.284

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 78 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 1–168; UniProt 83–250 Author chain B; PDBConstruct 1–168; UniProt 83–250 Author chain C; PDBConstruct 1–168; UniProt 83–250

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 1g4k

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1g4k
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1g4k
Deposition date deposition_date2000-10-27
Structure title titleX-ray Structure of a Novel Matrix Metalloproteinase Inhibitor Complexed to Stromelysin
Keywords keywordsstomelysin, MMP, zinc ligand, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.86
Radius of gyration Rg (electron density) rg_electron28.35
Forward intensity I(0) i054719900.00
Molecular weight molecular_weight58344.0 kDa
Excluded volume excluded_volume72826 ų
Envelope volume envelope_volume88605 ų
Hydration-shell volume shell_volume27187 ų
Envelope diameter envelope_diameter101.7
Shell Rg shell_rg34.21
Envelope Rg envelope_rg28.08
Shape Rg shape_rg28.33
Total Rg total_rg28.99
Total atoms total_atoms4107
Residues n_residues504
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 dmax94.5
Rg (real space) rg_real28.94
Rg uncertainty (real space) rg_real_error0.68
I(0) (real space) i0_real5.4720e+07
I(0) uncertainty (real space) i0_real_error8.3360e+05
Rg (reciprocal space) rg_reciprocal28.91
I(0) (reciprocal space) i0_reciprocal54720000.0000
Solution quality estimate total_estimate0.8708
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.1
Skewness Skewness skewness0.338
Kurtosis Kurtosis kurtosis-0.568
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha27210000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.851; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.828; Smooth: 0.935

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1g4ka_
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_idd1g4kb_
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_idd1g4kc_
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 (3 domains)

Domain ID domain_id1g4kA00
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_id1g4kB00
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_id1g4kC00
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)