1es1

CRYSTAL STRUCTURE OF VAL61HIS MUTANT OF TRYPSIN-SOLUBILIZED FRAGMENT OF CYTOCHROME B5

Method: X-RAY DIFFRACTION Dmax: 52.2 Å Quality: REASONABLE

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

CYTOCHROME B5

Bos taurus

UniProt P00171

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 8–89 Fragment:TRYPSIN-SOLUBILIZED FRAGMENT Mutation:VAL61HIS HEM PROTOPORPHYRIN IX CONTAINING FE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;293 K;phosphate buffer, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.10 Å R-free 0.244

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.

19 other PDB entries and 27 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CYB5_BOVIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–82; UniProt 8–89

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 1es1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1es1
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1es1
Deposition date deposition_date2000-04-07
Structure title titleCRYSTAL STRUCTURE OF VAL61HIS MUTANT OF TRYPSIN-SOLUBILIZED FRAGMENT OF CYTOCHROME B5
Keywords keywords;cytochrome b5; trypsin-cleaved fragment; mutant Val61His;crystal structure; structure comparison with the wild type fragment;, ELECTRON TRANSPORT ;; ELECTRON TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier13.90
Radius of gyration Rg (electron density) rg_electron12.40
Forward intensity I(0) i02244500.00
Molecular weight molecular_weight10108.0 kDa
Excluded volume excluded_volume12531 ų
Envelope volume envelope_volume14004 ų
Hydration-shell volume shell_volume9786 ų
Envelope diameter envelope_diameter41.0
Shell Rg shell_rg17.98
Envelope Rg envelope_rg12.78
Shape Rg shape_rg12.37
Total Rg total_rg13.80
Total atoms total_atoms716
Residues n_residues82
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 dmax52.2
Rg (real space) rg_real13.82
Rg uncertainty (real space) rg_real_error0.47
I(0) (real space) i0_real2.2440e+06
I(0) uncertainty (real space) i0_real_error2.7360e+04
Rg (reciprocal space) rg_reciprocal13.82
I(0) (reciprocal space) i0_reciprocal2245000.0000
Solution quality estimate total_estimate0.7419
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary16.5
Skewness Skewness skewness0.150
Kurtosis Kurtosis kurtosis-0.374
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha402600.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.569; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.935; Smooth: 0.000

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_idd1es1a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.120 — Cytochrome b5-like heme/steroid binding domain
Superfamily Superfamily superfamilyd.120.1 — Cytochrome b5-like heme/steroid binding domain
Family Family familyd.120.1.1 — Cytochrome b5

CATH v4.4 (1 domains)

Domain ID domain_id1es1A00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology120 — Flavocytochrome B2; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Cytochrome b5-like heme/steroid binding domain

8. Citations (1)

9. Files and Curves (10)