1G9N	Viral Protein Immune System	date	Nov 25, 2000
title	Hiv-1 Yu2 Gp120 Envelope Glycoprotein Complexed With Cd4 And Neutralizing Antibody 17b
authors	P.D.Kwong, R.Wyatt, S.Majeed, J.Robinson, R.W.Sweet, J.Sodroski, W.A.Hendrickson
compound		source
Molecule: Envelope Glycoprotein Gp120 Chain: G Fragment: Core Engineered: Yes Mutation: Yes		Organism_scientific: Human Immunodeficiency Virus 1 Organism_taxid: 11676 Strain: Clade B Variant: Primary Isolate Yu2 Expression_system: Drosophila Melanogaster Expression_system_common: Fruit Fly Expression_system_taxid: 7227 Other_details: Secreted From Drosophila Schneider 2 Lines U Control Of An Inducible Metall Othionein Promoter;
Molecule: T-Cell Surface Glycoprotein Cd4 Chain: C Fragment: D1d2, N-Terminal Two Domain Fragment Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Cricetulus Griseus Expression_system_common: Chinese Hamster Expression_system_taxid: 10029 Expression_system_cell: Ovary Cells (Cho)
Molecule: Antibody 17b, Light Chain Chain: L Fragment: Antigen-Binding Fragment, Fab Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Mus Musculus Expression_system_common: House Mouse Expression_system_taxid: 10090 Other_details: Epstein-Barr Virus Immortalized B-Cell Clone With A Murine B-Cell Fusion Partner;
Molecule: Antibody 17b, Heavy Chain Chain: H Fragment: Antigen-Binding Fragment, Fab Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Mus Musculus Expression_system_common: House Mouse Expression_system_taxid: 10090 Other_details: Epstein-Barr Virus Immortalized B-Cell Clone With A Murine B-Cell Fusion Partner
symmetry	Space Group: C 1 2 1	R_factor 0.207 R_Free 0.295
crystal cell	length a length b length c angle alpha angle beta angle gamma 174.980 81.710 74.480 90.00 90.37 90.00
method	X-Ray Diffraction	resolution	2.90 Å
ligand	NAG	enzyme
related structures	by homologous chain: 1RZI, 1RZK
Gene Ontology	Chain Function Process Component C G
Primary reference	Structures of HIV-1 gp120 envelope glycoproteins from laboratory-adapted and primary isolates., Kwong PD, Wyatt R, Majeed S, Robinson J, Sweet RW, Sodroski J, Hendrickson WA, Structure Fold Des 2000 Dec 15;8(12):1329-39. PMID:11188697

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (163 Kb) [Save to disk] Biological Unit Coordinates (1g9n.pdb1.gz) 155 Kb LPC: Ligand-Protein Contacts for 1G9N CSU: Contacts of Structural Units for 1G9N Likely Quarternary Molecular Structure file(s) for 1G9N Retrieve 1G9N in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1G9N from S2C, [Save to disk]

View 1G9N in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1G9N

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1G9N, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1g9nc1, region C:1-97 [Jmol] [rasmolscript] [script source]     - Domain d1g9nc2, region C:98-181 [Jmol] [rasmolscript] [script source]     - Domain d1g9ng_, region G [Jmol] [rasmolscript] [script source]     - Domain d1g9nh1, region H:1-129 [Jmol] [rasmolscript] [script source]     - Domain d1g9nh2, region H:130-229 [Jmol] [rasmolscript] [script source]     - Domain d1g9nl1, region L:1-109 [Jmol] [rasmolscript] [script source]     - Domain d1g9nl2, region L:110-214 [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1g9n] [1g9n_L] [1g9n_H] [1g9n_C] [1g9n_G] SWISS-PROT database: [P01730] [P35961] Domain organization of [CD4_HUMAN] [ENV_HV1Y2] by SWISSPFAM Domains found in 1G9N: [IG_like] [IGv ] by SMART

Other resources with information on 1G9N

Community annotation for 1G9N at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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