1g9m

HIV-1 HXBC2 GP120 ENVELOPE GLYCOPROTEIN COMPLEXED WITH CD4 AND INDUCED NEUTRALIZING ANTIBODY 17B

Method: X-RAY DIFFRACTION Dmax: 134.7 Å Quality: GOOD

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

ENVELOPE GLYCOPROTEIN GP120

Human immunodeficiency virus 1

UniProt P04578

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 × 4 其他Polymer 2 PDB declaration: tetrameric(4) Consistent with protein copy count Chain G; UniProt 83–127 Chain G; UniProt 195–297 Chain G; UniProt 330–492 Fragment:CORE Mutation:VARIABLE LOOPS SUBSTITUTED T-CELL SURFACE GLYCOPROTEIN CD4 × 1 (P01730) ANTIBODY 17B, LIGHT CHAIN × 1 ANTIBODY 17B, HEAVY CHAIN × 1 alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 12 IPA ISOPROPYL ALCOHOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.4;293 K;VAPOUR DIFFUSION CRYSTALLIZATION: 0.5 UL OF PROTEIN (~10MG/ML IN 350 MM NACL, 5 MM TRISCL PH 7.0) + 0.4 UL OF 0.1 M NACITRATE, 0.02 M NAHEPES, 10% ISOPROPANOL, 10.5% MONOMETHYL-PEG 5000, 0.0075% SEAPREP AGAROSE, PH 6.4 OVER A RESERVOIR OF 0.35 M NACL, 0.1 M NACITRATE, 0.02 M NAHEPES, 10% ISOPROPANOL, 10.5% MONOMETHYL-PEG 5000, PH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.20 Å R-free 0.330

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.

38 other PDB entries and 49 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ENV_HV1H2
Isoform
PDB entities 1
Chains and sequence ranges Author chain G; PDBConstruct 5–49; UniProt 83–127 Author chain G; PDBConstruct 53–155; UniProt 195–297 Author chain G; PDBConstruct 159–321; UniProt 330–492

T-CELL SURFACE GLYCOPROTEIN CD4

Homo sapiens

UniProt P01730

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 × 4 其他Polymer 2 PDB declaration: tetrameric(4) Consistent with protein copy count Chain C; UniProt 26–210 Fragment:D1D2, N-TERMINAL TWO DOMAIN FRAGMENT Mutation:S184N, I185T ENVELOPE GLYCOPROTEIN GP120 × 1 (P04578) ANTIBODY 17B, LIGHT CHAIN × 1 ANTIBODY 17B, HEAVY CHAIN × 1 alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 12 IPA ISOPROPYL ALCOHOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.4;293 K;VAPOUR DIFFUSION CRYSTALLIZATION: 0.5 UL OF PROTEIN (~10MG/ML IN 350 MM NACL, 5 MM TRISCL PH 7.0) + 0.4 UL OF 0.1 M NACITRATE, 0.02 M NAHEPES, 10% ISOPROPANOL, 10.5% MONOMETHYL-PEG 5000, 0.0075% SEAPREP AGAROSE, PH 6.4 OVER A RESERVOIR OF 0.35 M NACL, 0.1 M NACITRATE, 0.02 M NAHEPES, 10% ISOPROPANOL, 10.5% MONOMETHYL-PEG 5000, PH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.20 Å R-free 0.330

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.

78 other PDB entries and 99 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CD4_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–185; UniProt 26–210

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 1g9m

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1g9m
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1g9m
Deposition date deposition_date2000-11-24
Structure title titleHIV-1 HXBC2 GP120 ENVELOPE GLYCOPROTEIN COMPLEXED WITH CD4 AND INDUCED NEUTRALIZING ANTIBODY 17B
Keywords keywords;COMPLEX (HIV ENVELOPE PROTEIN-CD4-FAB), HIV-1 EXTERIOR ENVELOPE GP120 FROM LABORATORY-ADAPTED ISOLATE, HXBC2, SURFACE T-CELL GLYCOPROTEIN CD4, ANTIGEN-BINDING FRAGMENT OF HUMAN IMMUNOGLOBULIN 17B, Viral protein-Immune system COMPLEX ;; Viral protein/Immune system
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier39.28
Radius of gyration Rg (electron density) rg_electron39.45
Forward intensity I(0) i0172212000.00
Molecular weight molecular_weight104930.0 kDa
Excluded volume excluded_volume130900 ų
Envelope volume envelope_volume180950 ų
Hydration-shell volume shell_volume40789 ų
Envelope diameter envelope_diameter139.5
Shell Rg shell_rg41.95
Envelope Rg envelope_rg39.22
Shape Rg shape_rg39.42
Total Rg total_rg39.69
Total atoms total_atoms7369
Residues n_residues929
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 dmax134.7
Rg (real space) rg_real39.59
Rg uncertainty (real space) rg_real_error1.75
I(0) (real space) i0_real1.7220e+08
I(0) uncertainty (real space) i0_real_error3.2720e+06
Rg (reciprocal space) rg_reciprocal39.41
I(0) (reciprocal space) i0_reciprocal172200000.0000
Solution quality estimate total_estimate0.8511
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary131.3
Skewness Skewness skewness0.400
Kurtosis Kurtosis kurtosis-0.584
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha16140000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.813; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.767; Smooth: 0.855

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 14 domains

SCOP 2.08 (7 domains)

Domain ID domain_idd1g9mc1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)
Domain ID domain_idd1g9mc2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.3 — C2 set domains
Domain ID domain_idd1g9mg_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.172 — gp120 core
Superfamily Superfamily superfamilyd.172.1 — gp120 core
Family Family familyd.172.1.1 — gp120 core
Domain ID domain_idd1g9mh1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)
Domain ID domain_idd1g9mh2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd1g9ml1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)
Domain ID domain_idd1g9ml2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)

CATH v4.4 (7 domains)

Domain ID domain_id1g9mC01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1g9mC02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1g9mG00
Class class2 — Mainly Beta
Architecture architecture170 — Beta Complex
Topology topology40 — HIV Envelope Protein Gp120; Chain G
Homologous superfamily homologous superfamily20 — Human immunodeficiency virus 1, Gp160, envelope glycoprotein
Domain ID domain_id1g9mH01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1g9mH02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1g9mL01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id1g9mL02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (2)

9. Files and Curves (10)