1jhq

Three-dimensional Structure of CobT in Complex with Reaction Products of 5-methoxybenzimidazole and NaMN

Method: X-RAY DIFFRACTION Dmax: 74.7 Å Quality: GOOD

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

Nicotinate Mononucleotide:5,6-Dimethylbenzimidazole Phosphoribosyltransferase

Salmonella enterica

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 Not recorded PMO N1-(5'-PHOSPHO-ALPHA-RIBOSYL)-5-METHOXYBENZIMIDAZOLE × 2 NIO NICOTINIC ACID × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6;298 K;Ammonium Phosphate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K Resolution 2.00 Å R-free 0.279

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 1jhq

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1jhq
Deposition date deposition_date2001-06-28
Structure title titleThree-dimensional Structure of CobT in Complex with Reaction Products of 5-methoxybenzimidazole and NaMN
Keywords keywordsCobT, Cobalamin Biosynthesis, Lower ligand, Cobamides, NN:DBI PRT, N1-Alpha-Phosphoribosyltransferase, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.90
Radius of gyration Rg (electron density) rg_electron20.13
Forward intensity I(0) i021402200.00
Molecular weight molecular_weight35190.0 kDa
Excluded volume excluded_volume44049 ų
Envelope volume envelope_volume49005 ų
Hydration-shell volume shell_volume20834 ų
Envelope diameter envelope_diameter76.4
Shell Rg shell_rg26.29
Envelope Rg envelope_rg20.72
Shape Rg shape_rg20.17
Total Rg total_rg20.81
Total atoms total_atoms2457
Residues n_residues346
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 dmax74.7
Rg (real space) rg_real20.95
Rg uncertainty (real space) rg_real_error0.58
I(0) (real space) i0_real2.1400e+07
I(0) uncertainty (real space) i0_real_error2.9560e+05
Rg (reciprocal space) rg_reciprocal20.94
I(0) (reciprocal space) i0_reciprocal21400000.0000
Solution quality estimate total_estimate0.8346
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.8
Skewness Skewness skewness0.522
Kurtosis Kurtosis kurtosis0.130
Angular range angular_range— – 0.3800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6462000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.656; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.943; Smooth: 0.933

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1jhqa_
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_id1jhqA01
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_id1jhqA02
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)