1cgn

CYTOCHROME C'

Method: X-RAY DIFFRACTION Dmax: 52.7 Å Quality: GOOD

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

CYTOCHROME C

Achromobacter xylosoxidans

UniProt P00138

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 2–127 Non-standard monomer:Yes (specific site not provided by mmCIF) HEC HEME C × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.15 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.

50 other PDB entries and 50 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CYCP_ALCXX
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–127; UniProt 2–127

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 1cgn

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1cgn
Deposition date deposition_date1995-05-01
Structure title titleCYTOCHROME C'
Keywords keywordsELECTRON TRANSPORT (CYTOCHROME); ELECTRON TRANSPORT (CYTOCHROME)
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.96
Radius of gyration Rg (electron density) rg_electron15.04
Forward intensity I(0) i03578090.00
Molecular weight molecular_weight13496.0 kDa
Excluded volume excluded_volume16811 ų
Envelope volume envelope_volume18520 ų
Hydration-shell volume shell_volume11070 ų
Envelope diameter envelope_diameter51.5
Shell Rg shell_rg19.80
Envelope Rg envelope_rg15.41
Shape Rg shape_rg15.05
Total Rg total_rg15.89
Total atoms total_atoms952
Residues n_residues124
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 dmax52.7
Rg (real space) rg_real16.00
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real3.5780e+06
I(0) uncertainty (real space) i0_real_error3.9650e+04
Rg (reciprocal space) rg_reciprocal16.00
I(0) (reciprocal space) i0_reciprocal3578000.0000
Solution quality estimate total_estimate0.8660
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary16.7
Skewness Skewness skewness0.410
Kurtosis Kurtosis kurtosis-0.318
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha749300.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.779; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.954; Smooth: 0.963

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1cgna_
Class classa — All alpha proteins
Fold Fold folda.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamilya.24.3 — Cytochromes
Family Family familya.24.3.2 — Cytochrome c'-like

CATH v4.4 (1 domains)

Domain ID domain_id1cgnA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily10 — Cytochrome c/b562

8. Citations (6)

9. Files and Curves (10)