1c3i

HUMAN STROMELYSIN-1 CATALYTIC DOMAIN COMPLEXED WITH RO-26-2812

Method: X-RAY DIFFRACTION Dmax: 81.7 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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 100–272 Chain B; UniProt 100–272 Fragment:CATALYTIC DOMAIN ZN ZINC ION × 4 CA CALCIUM ION × 6 TR1 2-(2-{2-[(BIPHENYL-4-YLMETHYL)-AMINO]-3-MERCAPTO-PENTANOYLAMINO}-ACETYLAMINO)-3-METHYL-BUTYRIC ACID METHYL ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;295 K;PEG, POTASSIUM CHLORIDE, CALCIUM CHLORIDE, CACODYLATE, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 1.83 Å
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 100–272 Chain B; UniProt 100–272 Fragment:CATALYTIC DOMAIN ZN ZINC ION × 4 CA CALCIUM ION × 6 TR1 2-(2-{2-[(BIPHENYL-4-YLMETHYL)-AMINO]-3-MERCAPTO-PENTANOYLAMINO}-ACETYLAMINO)-3-METHYL-BUTYRIC ACID METHYL ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;295 K;PEG, POTASSIUM CHLORIDE, CALCIUM CHLORIDE, CACODYLATE, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 1.83 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.

43 other PDB entries and 79 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 1c3i

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1c3i
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1c3i
Deposition date deposition_date1999-07-27
Structure title titleHUMAN STROMELYSIN-1 CATALYTIC DOMAIN COMPLEXED WITH RO-26-2812
Keywords keywordsstromelysin-1, site mutant (GLU202-GLN), HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.54
Radius of gyration Rg (electron density) rg_electron23.03
Forward intensity I(0) i026545400.00
Molecular weight molecular_weight39383.0 kDa
Excluded volume excluded_volume49108 ų
Envelope volume envelope_volume58072 ų
Hydration-shell volume shell_volume22053 ų
Envelope diameter envelope_diameter87.6
Shell Rg shell_rg29.11
Envelope Rg envelope_rg23.48
Shape Rg shape_rg23.04
Total Rg total_rg23.78
Total atoms total_atoms2770
Residues n_residues343
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 dmax81.7
Rg (real space) rg_real23.73
Rg uncertainty (real space) rg_real_error0.62
I(0) (real space) i0_real2.6550e+07
I(0) uncertainty (real space) i0_real_error3.8350e+05
Rg (reciprocal space) rg_reciprocal23.69
I(0) (reciprocal space) i0_reciprocal26540000.0000
Solution quality estimate total_estimate0.5481
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary24.3
Skewness Skewness skewness0.596
Kurtosis Kurtosis kurtosis-0.096
Angular range angular_range— – 0.3350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha10150000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.617; Stabil: 1.000; Sysdev: 0.154; Positv: 1.000; Valcen: 0.810; Smooth: 0.000

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_idd1c3ia_
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_idd1c3ib_
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_id1c3iA00
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_id1c3iB00
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)