1cm0

CRYSTAL STRUCTURE OF THE PCAF/COENZYME-A COMPLEX

Method: X-RAY DIFFRACTION Dmax: 109.4 Å Quality: REASONABLE

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

P300/CBP ASSOCIATING FACTOR

Homo sapiens

UniProt Q92831

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 B; UniProt 491–658 Fragment:HISTONE ACETYLTRANSFERASE DOMAIN COA COENZYME A × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;293 K;5MG/ML OF P/CAF WITH 2 M EXCESS COFACTOR, 100MM TRIS, 1.5 M LITHIUM SULFATE, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.30 Å R-free 0.268
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 491–658 Fragment:HISTONE ACETYLTRANSFERASE DOMAIN COA COENZYME A × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;293 K;5MG/ML OF P/CAF WITH 2 M EXCESS COFACTOR, 100MM TRIS, 1.5 M LITHIUM SULFATE, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.30 Å R-free 0.268

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.

24 other PDB entries and 38 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PCAF_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–168; UniProt 491–658 Author chain B; PDBConstruct 1–168; UniProt 491–658

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 1cm0

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1cm0
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1cm0
Deposition date deposition_date1999-05-12
Structure title titleCRYSTAL STRUCTURE OF THE PCAF/COENZYME-A COMPLEX
Keywords keywordsP300/CBP ASSOCIATED FACTOR, COENZYME A, ACETYLTRANSFERASE, COACTIVATOR, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier35.00
Radius of gyration Rg (electron density) rg_electron35.00
Forward intensity I(0) i022025800.00
Molecular weight molecular_weight38493.0 kDa
Excluded volume excluded_volume48578 ų
Envelope volume envelope_volume68219 ų
Hydration-shell volume shell_volume16108 ų
Envelope diameter envelope_diameter111.9
Shell Rg shell_rg42.23
Envelope Rg envelope_rg33.56
Shape Rg shape_rg35.00
Total Rg total_rg35.59
Total atoms total_atoms2702
Residues n_residues325
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 dmax109.4
Rg (real space) rg_real35.34
Rg uncertainty (real space) rg_real_error1.34
I(0) (real space) i0_real2.2030e+07
I(0) uncertainty (real space) i0_real_error3.7870e+05
Rg (reciprocal space) rg_reciprocal35.14
I(0) (reciprocal space) i0_reciprocal22020000.0000
Solution quality estimate total_estimate0.6171
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.4
Skewness Skewness skewness0.197
Kurtosis Kurtosis kurtosis-1.372
Angular range angular_range— – 0.2250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7284000.0000
Real-space data points n_real_points46
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.008; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.080; Smooth: 0.915

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1cm0a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.108 — Acyl-CoA N-acyltransferases (Nat)
Superfamily Superfamily superfamilyd.108.1 — Acyl-CoA N-acyltransferases (Nat)
Family Family familyd.108.1.1 — N-acetyl transferase, NAT
Domain ID domain_idd1cm0b_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.108 — Acyl-CoA N-acyltransferases (Nat)
Superfamily Superfamily superfamilyd.108.1 — Acyl-CoA N-acyltransferases (Nat)
Family Family familyd.108.1.1 — N-acetyl transferase, NAT

CATH v4.4 (2 domains)

Domain ID domain_id1cm0A00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily30 — Gcn5-related N-acetyltransferase (GNAT)
Domain ID domain_id1cm0B00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily30 — Gcn5-related N-acetyltransferase (GNAT)

8. Citations (1)

9. Files and Curves (10)