5v7s

Crystal structure of Influenza A virus matrix protein M1 (NLS-88E, pH 6.2)

Method: X-RAY DIFFRACTION Dmax: 89.3 Å Quality: GOOD

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

Matrix protein 1

Influenza A virus (strain A/Wilson-Smith/1933 H1N1)

UniProt P05777

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 B; UniProt 2–165 Chain C; UniProt 2–165 Mutation:G88E, R101S, R105S PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.2;293 K;Protein solution: 8 mg/ml in 50mM K2HPO4/KH2PO4/H3PO4, 0.2M NaCl, 10mM bME, pH 3.2 Reservoir solution: 0.1M Tris-HCl, pH 8.2, 8% PEG-8K Resolution 2.50 Å R-free 0.311
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 2–165 Mutation:G88E, R101S, R105S PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.2;293 K;Protein solution: 8 mg/ml in 50mM K2HPO4/KH2PO4/H3PO4, 0.2M NaCl, 10mM bME, pH 3.2 Reservoir solution: 0.1M Tris-HCl, pH 8.2, 8% PEG-8K Resolution 2.50 Å R-free 0.311

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.

6 other PDB entries and 10 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name M1_I33A0
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 8–171; UniProt 2–165 Author chain B; PDBConstruct 8–171; UniProt 2–165 Author chain C; PDBConstruct 8–171; UniProt 2–165

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 5v7s

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5v7s
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5v7s
Deposition date deposition_date2017-03-20
Structure title titleCrystal structure of Influenza A virus matrix protein M1 (NLS-88E, pH 6.2)
Keywords keywordsInfluenza A, Matrix protein, NLS-88E mutant, pH 6.2, VIRAL PROTEIN; VIRAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.42
Radius of gyration Rg (electron density) rg_electron24.54
Forward intensity I(0) i043883100.00
Molecular weight molecular_weight52018.0 kDa
Excluded volume excluded_volume65480 ų
Envelope volume envelope_volume79296 ų
Hydration-shell volume shell_volume27241 ų
Envelope diameter envelope_diameter96.6
Shell Rg shell_rg31.38
Envelope Rg envelope_rg24.67
Shape Rg shape_rg24.55
Total Rg total_rg25.26
Total atoms total_atoms3645
Residues n_residues473
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 dmax89.3
Rg (real space) rg_real25.39
Rg uncertainty (real space) rg_real_error0.82
I(0) (real space) i0_real4.3880e+07
I(0) uncertainty (real space) i0_real_error6.6690e+05
Rg (reciprocal space) rg_reciprocal25.40
I(0) (reciprocal space) i0_reciprocal43880000.0000
Solution quality estimate total_estimate0.7896
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary28.8
Skewness Skewness skewness0.330
Kurtosis Kurtosis kurtosis-0.222
Angular range angular_range— – 0.3100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9702000.0000
Real-space data points n_real_points63
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.761; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.979; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd5v7sa_
Class classa — All alpha proteins
Fold Fold folda.95 — Influenza virus matrix protein M1
Superfamily Superfamily superfamilya.95.1 — Influenza virus matrix protein M1
Family Family familya.95.1.1 — Influenza virus matrix protein M1
Domain ID domain_idd5v7sb_
Class classa — All alpha proteins
Fold Fold folda.95 — Influenza virus matrix protein M1
Superfamily Superfamily superfamilya.95.1 — Influenza virus matrix protein M1
Family Family familya.95.1.1 — Influenza virus matrix protein M1
Domain ID domain_idd5v7sc_
Class classa — All alpha proteins
Fold Fold folda.95 — Influenza virus matrix protein M1
Superfamily Superfamily superfamilya.95.1 — Influenza virus matrix protein M1
Family Family familya.95.1.1 — Influenza virus matrix protein M1

CATH v4.4 (6 domains)

Domain ID domain_id5v7sA01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology91 — Influenza Virus Matrix Protein; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Influenza matrix M1, N-terminal subdomain 1
Domain ID domain_id5v7sA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily180 — Influenza matrix protein M1, N-terminal subdomain 2
Domain ID domain_id5v7sB01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology91 — Influenza Virus Matrix Protein; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Influenza matrix M1, N-terminal subdomain 1
Domain ID domain_id5v7sB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily180 — Influenza matrix protein M1, N-terminal subdomain 2
Domain ID domain_id5v7sC01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology91 — Influenza Virus Matrix Protein; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Influenza matrix M1, N-terminal subdomain 1
Domain ID domain_id5v7sC02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily180 — Influenza matrix protein M1, N-terminal subdomain 2

8. Citations (1)

9. Files and Curves (10)