3gmu

Crystal Structure of Beta-Lactamse Inhibitory Protein (BLIP) in Apo Form

Method: X-RAY DIFFRACTION Dmax: 54.1 Å Quality: EXCELLENT

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

Beta-lactamase inhibitory protein

OrganismNot specified

UniProt P35804

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 B; UniProt 37–201 Not recorded NH4 AMMONIUM ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 5.5;298 K;10 mg/ml protein, 20% saturated ammonium sulfate, 50 mM sodium citrate, pH 5.5, vapor diffusion, temperature 298K Resolution 1.98 Å R-free 0.229

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.

17 other PDB entries and 26 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BLIP_STRCL
Isoform
PDB entities 1
Chains and sequence ranges Author chain B; PDBConstruct 1–165; UniProt 37–201

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 3gmu

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3gmu
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3gmu
Deposition date deposition_date2009-03-15
Structure title titleCrystal Structure of Beta-Lactamse Inhibitory Protein (BLIP) in Apo Form
Keywords keywords2-layer alpha/beta sandwich, Disulfide bond, Secreted, PROTEIN BINDING; PROTEIN BINDING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.17
Radius of gyration Rg (electron density) rg_electron16.22
Forward intensity I(0) i06271830.00
Molecular weight molecular_weight17654.0 kDa
Excluded volume excluded_volume21813 ų
Envelope volume envelope_volume25348 ų
Hydration-shell volume shell_volume13482 ų
Envelope diameter envelope_diameter53.2
Shell Rg shell_rg21.58
Envelope Rg envelope_rg16.26
Shape Rg shape_rg16.19
Total Rg total_rg17.25
Total atoms total_atoms1241
Residues n_residues165
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 dmax54.1
Rg (real space) rg_real17.11
Rg uncertainty (real space) rg_real_error0.26
I(0) (real space) i0_real6.2720e+06
I(0) uncertainty (real space) i0_real_error6.5210e+04
Rg (reciprocal space) rg_reciprocal17.12
I(0) (reciprocal space) i0_reciprocal6272000.0000
Solution quality estimate total_estimate0.9066
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.2
Skewness Skewness skewness0.191
Kurtosis Kurtosis kurtosis-0.549
Angular range angular_range— – 0.4650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1456000.0000
Real-space data points n_real_points77
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.930; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.991

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_idd3gmub_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.98 — BLIP-like
Superfamily Superfamily superfamilyd.98.1 — beta-lactamase-inhibitor protein, BLIP
Family Family familyd.98.1.1 — beta-lactamase-inhibitor protein, BLIP

CATH v4.4 (2 domains)

Domain ID domain_id3gmuB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1450 — Beta-lactamase Inhibitory Protein; Chain:B, domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id3gmuB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1450 — Beta-lactamase Inhibitory Protein; Chain:B, domain 1
Homologous superfamily homologous superfamily10

8. Citations (2)

9. Files and Curves (10)