2e2d

Flexibility and variability of TIMP binding: X-ray structure of the complex between collagenase-3/MMP-13 and TIMP-2

Method: X-RAY DIFFRACTION Dmax: 68.9 Å Quality: REASONABLE

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

Matrix metallopeptidase 13

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 104–268 Fragment:catalytic domain Metalloproteinase inhibitor 2 × 1 (P16368) ZN ZINC ION × 2 CA CALCIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;293 K;100 mM MES, 200 mM magnesium acetate, 20 % PEG 8000, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K Resolution 2.00 Å R-free 0.231

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 1–165; UniProt 104–268

Metalloproteinase inhibitor 2

Bos taurus

UniProt P16368

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 28–206 Not recorded Matrix metallopeptidase 13 × 1 (P45452) ZN ZINC ION × 2 CA CALCIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;293 K;100 mM MES, 200 mM magnesium acetate, 20 % PEG 8000, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K Resolution 2.00 Å R-free 0.231

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.

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TIMP2_BOVIN
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 2–180; UniProt 28–206

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 2e2d

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2e2d
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2e2d
Deposition date deposition_date2006-11-11
Structure title titleFlexibility and variability of TIMP binding: X-ray structure of the complex between collagenase-3/MMP-13 and TIMP-2
Keywords keywords;matrix metalloproteinase-MMP; collagenase; tissue inhibitor of metalloproteinases-TIMP; complex, flexibility, 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_guinier21.63
Radius of gyration Rg (electron density) rg_electron20.67
Forward intensity I(0) i026138200.00
Molecular weight molecular_weight38942.0 kDa
Excluded volume excluded_volume48545 ų
Envelope volume envelope_volume56731 ų
Hydration-shell volume shell_volume22739 ų
Envelope diameter envelope_diameter70.4
Shell Rg shell_rg27.32
Envelope Rg envelope_rg20.76
Shape Rg shape_rg20.65
Total Rg total_rg21.58
Total atoms total_atoms2729
Residues n_residues345
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 dmax68.9
Rg (real space) rg_real21.52
Rg uncertainty (real space) rg_real_error0.35
I(0) (real space) i0_real2.6140e+07
I(0) uncertainty (real space) i0_real_error3.3760e+05
Rg (reciprocal space) rg_reciprocal21.54
I(0) (reciprocal space) i0_reciprocal26140000.0000
Solution quality estimate total_estimate0.7154
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.7
Skewness Skewness skewness0.202
Kurtosis Kurtosis kurtosis-0.453
Angular range angular_range— – 0.3650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4578000.0000
Real-space data points n_real_points68
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.903; Stabil: 1.000; Sysdev: 0.207; Positv: 1.000; Valcen: 1.000; Smooth: 0.967

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd2e2da_
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_idd2e2dc2
Class classb — All beta proteins
Fold Fold foldb.40 — OB-fold
Superfamily Superfamily superfamilyb.40.3 — TIMP-like
Family Family familyb.40.3.1 — Tissue inhibitor of metalloproteinases, TIMP
Domain ID domain_idd2e2dc3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (3 domains)

Domain ID domain_id2e2dA00
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_id2e2dC01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology370 — Tissue inhibitor of metalloproteinase-1. Chain B, domain 1
Homologous superfamily homologous superfamily10 — Tissue inhibitor of metalloproteinase-1. Chain B, domain 1
Domain ID domain_id2e2dC02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily120

8. Citations (1)

9. Files and Curves (10)