4p7g

Rat apo-COMT, phosphate bound

Method: X-RAY DIFFRACTION Dmax: 142.0 Å Quality: GOOD

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

Catechol O-methyltransferase

Rattus norvegicus

UniProt P22734

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 44–264 Fragment:UNP residues 44-264 PO4 PHOSPHATE ION × 1 K POTASSIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;see manuscript Resolution 2.58 Å R-free 0.247
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 44–264 Fragment:UNP residues 44-264 PO4 PHOSPHATE ION × 1 K POTASSIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;see manuscript Resolution 2.58 Å R-free 0.247
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 44–264 Fragment:UNP residues 44-264 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;see manuscript Resolution 2.58 Å R-free 0.247
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 44–264 Fragment:UNP residues 44-264 PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;see manuscript Resolution 2.58 Å R-free 0.247

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.

96 other PDB entries and 157 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name COMT_RAT
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–221; UniProt 44–264 Author chain B; PDBConstruct 1–221; UniProt 44–264 Author chain C; PDBConstruct 1–221; UniProt 44–264 Author chain D; PDBConstruct 1–221; UniProt 44–264

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 4p7g

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4p7g
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4p7g
Deposition date deposition_date2014-03-27
Structure title titleRat apo-COMT, phosphate bound
Keywords keywords;METHYLTRANSFERASE, NEUROTRANSMITTER DEGRADATION, TRANSFERASE, ALTERNATIVE INITIATION, CATECHOLAMINE METABOLISM, CELL MEMBRANE, METAL-BINDING, PHOSPHOPROTEIN, S-ADENOSYL-L-METHIONINE, SIGNAL-ANCHOR, TRANSMEMBRANE ANCHOR, ENZYME MECHANISM, CONFORMATIONAL CHANGE ;; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier39.82
Radius of gyration Rg (electron density) rg_electron40.44
Forward intensity I(0) i0138234000.00
Molecular weight molecular_weight96331.0 kDa
Excluded volume excluded_volume120940 ų
Envelope volume envelope_volume161570 ų
Hydration-shell volume shell_volume36033 ų
Envelope diameter envelope_diameter144.2
Shell Rg shell_rg41.88
Envelope Rg envelope_rg39.95
Shape Rg shape_rg40.44
Total Rg total_rg40.52
Total atoms total_atoms6747
Residues n_residues855
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 dmax142.0
Rg (real space) rg_real40.49
Rg uncertainty (real space) rg_real_error1.79
I(0) (real space) i0_real1.3820e+08
I(0) uncertainty (real space) i0_real_error2.5160e+06
Rg (reciprocal space) rg_reciprocal40.08
I(0) (reciprocal space) i0_reciprocal138200000.0000
Solution quality estimate total_estimate0.7616
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary28.4
Skewness Skewness skewness0.527
Kurtosis Kurtosis kurtosis-0.524
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha18770000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.561; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.361; Smooth: 0.852

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd4p7ga_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
Superfamily Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
Family Family familyc.66.1.1 — COMT-like
Domain ID domain_idd4p7gb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
Superfamily Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
Family Family familyc.66.1.1 — COMT-like
Domain ID domain_idd4p7gc_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
Superfamily Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
Family Family familyc.66.1.1 — COMT-like
Domain ID domain_idd4p7gd_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
Superfamily Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
Family Family familyc.66.1.1 — COMT-like

CATH v4.4 (4 domains)

Domain ID domain_id4p7gA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily150 — Vaccinia Virus protein VP39
Domain ID domain_id4p7gB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily150 — Vaccinia Virus protein VP39
Domain ID domain_id4p7gC00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily150 — Vaccinia Virus protein VP39
Domain ID domain_id4p7gD00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily150 — Vaccinia Virus protein VP39

8. Citations (1)

9. Files and Curves (10)