1FNG	Immune System	date	Aug 21, 2000
title	Histocompatibility Antigen
authors	M.J.Miley, C.A.Nelson, D.H.Fremont
compound		source
Molecule: Protein (Mhc Class II I-Ek, Alpha Chain) Chain: A, C Fragment: Soluble Ecto-Domain Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108
Molecule: Protein (Mhc Class II I-Ek, Beta Chain) Chain: B, D Fragment: Soluble Ecto-Domain Plus Covalently Attached Hb P Engineered: Yes Other_details: With Covalently Bound Hb Peptide		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108
symmetry	Space Group: C 1 2 1	R_factor 0.221 R_Free 0.254
crystal cell	length a length b length c angle alpha angle beta angle gamma 147.140 57.024 116.809 90.00 91.97 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	NAG	enzyme
related structures	by homologous chain: 1FNE, 1IAK
Gene Ontology	Chain Function Process Component A, C D, B
Primary reference	Structural and functional consequences of altering a peptide MHC anchor residue., Kersh GJ, Miley MJ, Nelson CA, Grakoui A, Horvath S, Donermeyer DL, Kappler J, Allen PM, Fremont DH, J Immunol 2001 Mar 1;166(5):3345-54. PMID:11207290

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (146 Kb) [Save to disk] Biological Unit Coordinates (1fng.pdb1.gz) 71 Kb Biological Unit Coordinates (1fng.pdb2.gz) 72 Kb Biological Unit Coordinates (1fng.pdb3.gz) 140 Kb Biological Unit Coordinates (1fng.pdb4.gz) 276 Kb LPC: Ligand-Protein Contacts for 1FNG CSU: Contacts of Structural Units for 1FNG Likely Quarternary Molecular Structure file(s) for 1FNG Retrieve 1FNG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1FNG from S2C, [Save to disk]

View 1FNG 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 1FNG

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1FNG, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1fnga2, region A:1-81 [Jmol] [rasmolscript] [script source]     - Domain d1fnga1, region A:82-182 [Jmol] [rasmolscript] [script source]     - Domain d1fngb2, region B:4-92 [Jmol] [rasmolscript] [script source]     - Domain d1fngb1, region B:93-188 [Jmol] [rasmolscript] [script source]     - Domain d1fngc2, region C:1-81 [Jmol] [rasmolscript] [script source]     - Domain d1fngc1, region C:82-182 [Jmol] [rasmolscript] [script source]     - Domain d1fngd2, region D:4-92 [Jmol] [rasmolscript] [script source]     - Domain d1fngd1, region D:93-188 [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: [1fng_D] [1fng_C] [1fng] [1fng_A] [1fng_B] SWISS-PROT database: [P04224] [P02089] Domain organization of [HA22_MOUSE] [HBB2_MOUSE] by SWISSPFAM Domains found in 1FNG: [IGc1] [MHC_II_alpha] [MHC_II_beta ] by SMART

Other resources with information on 1FNG

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

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