4kqj

Crystal structure of CobT S80Y/Q88M/L175M complexed with p-cresol and NaMN

Method: X-RAY DIFFRACTION Dmax: 74.4 Å Quality: GOOD

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

Nicotinate-nucleotide--dimethylbenzimidazole phosphoribosyltransferase

Salmonella enterica subsp. enterica serovar Typhimurium

UniProt Q05603

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–356 Mutation:S80Y, Q88M, L175M NCN NICOTINATE MONONUCLEOTIDE × 2 PCR P-CRESOL × 2 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 9;298 K;24% MEPEG 5000, 0.1 M CHES, 0.05 M magnesium sulfate, 5 mM p-cresol, 1% DMSO, 5% ethylene glycol, pH 9.0, VAPOR DIFFUSION, temperature 298K Resolution 1.95 Å R-free 0.223

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.

33 other PDB entries and 33 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name COBT_SALTY
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–356; UniProt 1–356

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 4kqj

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4kqj
Deposition date deposition_date2013-05-15
Structure title titleCrystal structure of CobT S80Y/Q88M/L175M complexed with p-cresol and NaMN
Keywords keywordstransferase; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.82
Radius of gyration Rg (electron density) rg_electron20.01
Forward intensity I(0) i022212600.00
Molecular weight molecular_weight35683.0 kDa
Excluded volume excluded_volume44559 ų
Envelope volume envelope_volume49187 ų
Hydration-shell volume shell_volume20921 ų
Envelope diameter envelope_diameter75.9
Shell Rg shell_rg26.28
Envelope Rg envelope_rg20.66
Shape Rg shape_rg20.06
Total Rg total_rg20.66
Total atoms total_atoms2488
Residues n_residues347
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 dmax74.4
Rg (real space) rg_real20.86
Rg uncertainty (real space) rg_real_error0.55
I(0) (real space) i0_real2.2210e+07
I(0) uncertainty (real space) i0_real_error2.9380e+05
Rg (reciprocal space) rg_reciprocal20.85
I(0) (reciprocal space) i0_reciprocal22210000.0000
Solution quality estimate total_estimate0.8366
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary73.3
Skewness Skewness skewness0.518
Kurtosis Kurtosis kurtosis0.135
Angular range angular_range— – 0.3800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7238000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.650; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.948; Smooth: 0.973

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd4kqja_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.39 — Nicotinate mononucleotide:5,6-dimethylbenzimidazole phosphoribosyltransferase (CobT)
Superfamily Superfamily superfamilyc.39.1 — Nicotinate mononucleotide:5,6-dimethylbenzimidazole phosphoribosyltransferase (CobT)
Family Family familyc.39.1.1 — Nicotinate mononucleotide:5,6-dimethylbenzimidazole phosphoribosyltransferase (CobT)

CATH v4.4 (2 domains)

Domain ID domain_id4kqjA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1610 — 5,6-Dimethylbenzimidazole Phosphoribosyltransferase; Chain: A; domain 1
Homologous superfamily homologous superfamily10 — Nicotinate-nucleotide-dimethylbenzimidazole phosphoribosyltransferase (CobT), small domain
Domain ID domain_id4kqjA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily10210 — Nicotinate-nucleotide-dimethylbenzimidazole phosphoribosyltransferase (CobT), large domain

8. Citations (1)

9. Files and Curves (10)