1a94

STRUCTURAL BASIS FOR SPECIFICITY OF RETROVIRAL PROTEASES

Method: X-RAY DIFFRACTION Dmax: 84.3 Å Quality: REASONABLE

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

PROTEASE

Human immunodeficiency virus 1

UniProt P03367

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 69–167 Chain B; UniProt 69–167 Mutation:Q7K, L33I, K43E, L63I, C67A, C95A 0Q4 N-[(2R)-2-({N~5~-[amino(iminio)methyl]-L-ornithyl-L-valyl}amino)-4-methylpentyl]-L-phenylalanyl-L-alpha-glutamyl-L-alanyl-L-norleucinamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 4.7;pH 4.7 Resolution 2.00 Å R-free 0.281
2 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 69–167 Chain E; UniProt 69–167 Mutation:Q7K, L33I, K43E, L63I, C67A, C95A 0Q4 N-[(2R)-2-({N~5~-[amino(iminio)methyl]-L-ornithyl-L-valyl}amino)-4-methylpentyl]-L-phenylalanyl-L-alpha-glutamyl-L-alanyl-L-norleucinamide × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 4.7;pH 4.7 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.

198 other PDB entries and 209 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name POL_HV1BR
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–99; UniProt 69–167 Author chain B; PDBConstruct 1–99; UniProt 69–167 Author chain D; PDBConstruct 1–99; UniProt 69–167 Author chain E; PDBConstruct 1–99; UniProt 69–167

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 1a94

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1a94
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1a94
Deposition date deposition_date1998-04-16
Structure title titleSTRUCTURAL BASIS FOR SPECIFICITY OF RETROVIRAL PROTEASES
Keywords keywords;HUMAN IMMUNODEFICIENCY VIRUS PROTEASE, ROUS SARCOMA VIRUS PROTEASE, PROTEIN-MEDIATED INTERACTION, VIRAL MATURATION, HYDROLASE-HYDROLASE INHIBITOR COMPLEX ;; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.20
Radius of gyration Rg (electron density) rg_electron23.55
Forward intensity I(0) i052640600.00
Molecular weight molecular_weight41883.0 kDa
Excluded volume excluded_volume43735 ų
Envelope volume envelope_volume67939 ų
Hydration-shell volume shell_volume24155 ų
Envelope diameter envelope_diameter84.6
Shell Rg shell_rg30.33
Envelope Rg envelope_rg23.42
Shape Rg shape_rg23.62
Total Rg total_rg24.05
Total atoms total_atoms3814
Residues n_residues396
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 dmax84.3
Rg (real space) rg_real24.15
Rg uncertainty (real space) rg_real_error0.77
I(0) (real space) i0_real5.2640e+07
I(0) uncertainty (real space) i0_real_error8.8780e+05
Rg (reciprocal space) rg_reciprocal24.17
I(0) (reciprocal space) i0_reciprocal52640000.0000
Solution quality estimate total_estimate0.6111
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary29.0
Skewness Skewness skewness0.269
Kurtosis Kurtosis kurtosis-0.421
Angular range angular_range— – 0.3300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha23300000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.801; Stabil: 1.000; Sysdev: 0.203; Positv: 1.000; Valcen: 0.926; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1a94a_
Class classb — All beta proteins
Fold Fold foldb.50 — Acid proteases
Superfamily Superfamily superfamilyb.50.1 — Acid proteases
Family Family familyb.50.1.1 — Retroviral protease (retropepsin)
Domain ID domain_idd1a94b_
Class classb — All beta proteins
Fold Fold foldb.50 — Acid proteases
Superfamily Superfamily superfamilyb.50.1 — Acid proteases
Family Family familyb.50.1.1 — Retroviral protease (retropepsin)
Domain ID domain_idd1a94d_
Class classb — All beta proteins
Fold Fold foldb.50 — Acid proteases
Superfamily Superfamily superfamilyb.50.1 — Acid proteases
Family Family familyb.50.1.1 — Retroviral protease (retropepsin)
Domain ID domain_idd1a94e_
Class classb — All beta proteins
Fold Fold foldb.50 — Acid proteases
Superfamily Superfamily superfamilyb.50.1 — Acid proteases
Family Family familyb.50.1.1 — Retroviral protease (retropepsin)

CATH v4.4 (4 domains)

Domain ID domain_id1a94A00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology70 — Cathepsin D, subunit A; domain 1
Homologous superfamily homologous superfamily10 — Acid Proteases
Domain ID domain_id1a94B00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology70 — Cathepsin D, subunit A; domain 1
Homologous superfamily homologous superfamily10 — Acid Proteases
Domain ID domain_id1a94D00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology70 — Cathepsin D, subunit A; domain 1
Homologous superfamily homologous superfamily10 — Acid Proteases
Domain ID domain_id1a94E00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology70 — Cathepsin D, subunit A; domain 1
Homologous superfamily homologous superfamily10 — Acid Proteases

8. Citations (1)

9. Files and Curves (10)