1dc5

STRUCTURAL ANALYSIS OF GLYCERALDEHYDE 3-PHOSPHATE DEHYDROGENASE FROM ESCHERICHIA COLI: DIRECT EVIDENCE FOR SUBSTRATE BINDING AND COFACTOR-INDUCED CONFORMATIONAL CHANGES

Method: X-RAY DIFFRACTION Dmax: 89.2 Å Quality: EXCELLENT

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

GLYCERALDEHYDE-3-PHOSPHATE DEHYDROGENASE

OrganismNot specified

UniProt P0A9B2

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 1–330 Chain B; UniProt 1–330 Fragment:APO No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;291 K;PEG 4000, MAGNESIUM CHLORIDE, TRIS, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K Resolution 2.00 Å R-free 0.281
2 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–330 Chain B; UniProt 1–330 Fragment:APO No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;291 K;PEG 4000, MAGNESIUM CHLORIDE, TRIS, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K Resolution 2.00 Å R-free 0.281

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.

13 other PDB entries and 31 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name G3P1_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–330; UniProt 1–330 Author chain B; PDBConstruct 1–330; UniProt 1–330

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 1dc5

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1dc5
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1dc5
Deposition date deposition_date1999-11-04
Structure title titleSTRUCTURAL ANALYSIS OF GLYCERALDEHYDE 3-PHOSPHATE DEHYDROGENASE FROM ESCHERICHIA COLI: DIRECT EVIDENCE FOR SUBSTRATE BINDING AND COFACTOR-INDUCED CONFORMATIONAL CHANGES
Keywords keywordsGAPDH, SUBSTRATE, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.75
Radius of gyration Rg (electron density) rg_electron28.06
Forward intensity I(0) i082321300.00
Molecular weight molecular_weight70801.0 kDa
Excluded volume excluded_volume88665 ų
Envelope volume envelope_volume110080 ų
Hydration-shell volume shell_volume32479 ų
Envelope diameter envelope_diameter89.8
Shell Rg shell_rg35.39
Envelope Rg envelope_rg27.65
Shape Rg shape_rg28.05
Total Rg total_rg28.83
Total atoms total_atoms4976
Residues n_residues660
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 dmax89.2
Rg (real space) rg_real28.68
Rg uncertainty (real space) rg_real_error0.59
I(0) (real space) i0_real8.2320e+07
I(0) uncertainty (real space) i0_real_error1.1740e+06
Rg (reciprocal space) rg_reciprocal28.71
I(0) (reciprocal space) i0_reciprocal82320000.0000
Solution quality estimate total_estimate0.9124
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.4
Skewness Skewness skewness0.208
Kurtosis Kurtosis kurtosis-0.597
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha13160000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.965; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.965

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1dc5a1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamilyc.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family familyc.2.1.3 — Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain
Domain ID domain_idd1dc5a2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.81 — FwdE/GAPDH domain-like
Superfamily Superfamily superfamilyd.81.1 — Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain
Family Family familyd.81.1.1 — GAPDH-like
Domain ID domain_idd1dc5b1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamilyc.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family familyc.2.1.3 — Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain
Domain ID domain_idd1dc5b2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.81 — FwdE/GAPDH domain-like
Superfamily Superfamily superfamilyd.81.1 — Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain
Family Family familyd.81.1.1 — GAPDH-like

CATH v4.4 (4 domains)

Domain ID domain_id1dc5A01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id1dc5A02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology360 — Dihydrodipicolinate Reductase; domain 2
Homologous superfamily homologous superfamily10 — Dihydrodipicolinate Reductase; domain 2
Domain ID domain_id1dc5B01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
Domain ID domain_id1dc5B02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology360 — Dihydrodipicolinate Reductase; domain 2
Homologous superfamily homologous superfamily10 — Dihydrodipicolinate Reductase; domain 2

8. Citations (1)

9. Files and Curves (10)