7jtr

Complex of maltose-binding protein (MBP) with single-chain Fv (scFv)

Method: X-RAY DIFFRACTION Dmax: 203.9 Å Quality: GOOD

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

Maltose/maltodextrin-binding periplasmic protein

OrganismNot specified

UniProt P0AEX9

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 27–395 Not recorded single-chain Fv antibody fragment (scFv) × 1 alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:MICROBATCH;pH 7.5;277 K;0.2 M ammonium sulfate, 20% v/v PEG 4000 Resolution 2.50 Å R-free 0.237
2 Other combination Heteromer Protein × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 27–395 Not recorded single-chain Fv antibody fragment (scFv) × 1 alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:MICROBATCH;pH 7.5;277 K;0.2 M ammonium sulfate, 20% v/v PEG 4000 Resolution 2.50 Å R-free 0.237
3 Other combination Heteromer Protein × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain E; UniProt 27–395 Not recorded single-chain Fv antibody fragment (scFv) × 1 alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:MICROBATCH;pH 7.5;277 K;0.2 M ammonium sulfate, 20% v/v PEG 4000 Resolution 2.50 Å R-free 0.237
4 Other combination Heteromer Protein × 2 其他Polymer 1 PDB declaration: dimeric(2) Consistent with protein copy count Chain G; UniProt 27–395 Not recorded single-chain Fv antibody fragment (scFv) × 1 alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:MICROBATCH;pH 7.5;277 K;0.2 M ammonium sulfate, 20% v/v PEG 4000 Resolution 2.50 Å R-free 0.237

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.

366 other PDB entries and 488 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MALE_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–369; UniProt 27–395 Author chain C; PDBConstruct 1–369; UniProt 27–395 Author chain E; PDBConstruct 1–369; UniProt 27–395 Author chain G; PDBConstruct 1–369; UniProt 27–395

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 7jtr

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7jtr
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7jtr
Deposition date deposition_date2020-08-18
Structure title titleComplex of maltose-binding protein (MBP) with single-chain Fv (scFv)
Keywords keywordsMaltose, antibody, scFv, complex, SUGAR BINDING PROTEIN, SUGAR BINDING PROTEIN-IMMUNE SYSTEM complex; SUGAR BINDING PROTEIN/IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier58.03
Radius of gyration Rg (electron density) rg_electron58.43
Forward intensity I(0) i0942735000.00
Molecular weight molecular_weight262150.0 kDa
Excluded volume excluded_volume329880 ų
Envelope volume envelope_volume473760 ų
Hydration-shell volume shell_volume70963 ų
Envelope diameter envelope_diameter199.4
Shell Rg shell_rg55.53
Envelope Rg envelope_rg56.99
Shape Rg shape_rg58.43
Total Rg total_rg58.37
Total atoms total_atoms18496
Residues n_residues2372
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 dmax203.9
Rg (real space) rg_real58.42
Rg uncertainty (real space) rg_real_error3.07
I(0) (real space) i0_real9.4270e+08
I(0) uncertainty (real space) i0_real_error2.2520e+07
Rg (reciprocal space) rg_reciprocal57.68
I(0) (reciprocal space) i0_reciprocal941600000.0000
Solution quality estimate total_estimate0.8393
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary68.0
Skewness Skewness skewness0.429
Kurtosis Kurtosis kurtosis-0.454
Angular range angular_range— – 0.1350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha30190000.0000
Real-space data points n_real_points28
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.819; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.869; Smooth: 0.583

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 24 domains

SCOP 2.08 (16 domains)

Domain ID domain_idd7jtra_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.94 — Periplasmic binding protein-like II
Superfamily Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
Family Family familyc.94.1.1 — Phosphate binding protein-like
Domain ID domain_idd7jtrb1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd7jtrb2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd7jtrb3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd7jtrc_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.94 — Periplasmic binding protein-like II
Superfamily Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
Family Family familyc.94.1.1 — Phosphate binding protein-like
Domain ID domain_idd7jtrd1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd7jtrd2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd7jtrd3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd7jtre_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.94 — Periplasmic binding protein-like II
Superfamily Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
Family Family familyc.94.1.1 — Phosphate binding protein-like
Domain ID domain_idd7jtrf1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd7jtrf2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd7jtrf3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd7jtrg_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.94 — Periplasmic binding protein-like II
Superfamily Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
Family Family familyc.94.1.1 — Phosphate binding protein-like
Domain ID domain_idd7jtrh1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd7jtrh2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd7jtrh3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (8 domains)

Domain ID domain_id7jtrB01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7jtrB02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7jtrD01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7jtrD02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7jtrF01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7jtrF02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7jtrH01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id7jtrH02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)