2G9H	Immune System	date	Mar 06, 2006
title	Crystal Structure Of Staphylococcal Enterotoxin I (Sei) In C With A Human Mhc Class II Molecule
authors	M.M.Fernandez, R.Guan, E.L.Malchiodi, R.A.Mariuzza
compound		source
Molecule: Hla Class II Histocompatibility Antigen, Dr Alpha Chain: A Synonym: Mhc Class II Antigen Dra Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hla-Dra Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pt7-7
Molecule: Hla Class II Histocompatibility Antigen, Drb1-1 B Chain: B Synonym: Mhc Class I Antigen Drb11, Dr-1, Dr1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hla-Drb1 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pt7-7
Molecule: Hemagglutinin Chain: C Fragment: Peptide, 306-318 Residues Engineered: Yes		Synthetic: Yes Other_details: This Sequence Occurs Nuturally In Influenza
Molecule: Extracellular Enterotoxin Type I Chain: D		Organism_scientific: Staphylococcus Aureus Organism_taxid: 1280 Strain: Fc30 Clinical Isolate
symmetry	Space Group: C 1 2 1	R_factor 0.213 R_Free 0.252
crystal cell	length a length b length c angle alpha angle beta angle gamma 150.395 99.933 72.917 90.00 92.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	DIO, EPE, SO4, ZN	enzyme
Gene Ontology	Chain Function Process Component A B D
Primary reference	Crystal structure of staphylococcal enterotoxin I (SEI) in complex with a human major histocompatibility complex class II molecule., Fernandez MM, Guan R, Swaminathan CP, Malchiodi EL, Mariuzza RA, J Biol Chem. 2006 Sep 1;281(35):25356-64. Epub 2006 Jul 6. PMID:16829512

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (113 Kb) [Save to disk] Biological Unit Coordinates (2g9h.pdb1.gz) 106 Kb LPC: Ligand-Protein Contacts for 2G9H CSU: Contacts of Structural Units for 2G9H Likely Quarternary Molecular Structure file(s) for 2G9H Structure Factors (589 Kb) Retrieve 2G9H in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2G9H from S2C, [Save to disk] Re-refined 2g9h structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2G9H 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 2G9H

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2G9H, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2g9h] [2g9h_C] [2g9h_A] [2g9h_B] [2g9h_D] SWISS-PROT database: [P04229] [P01903] [P04664] [O85383] Domain organization of [2B11_HUMAN] [DRA_HUMAN] [HEMA_I69A0] [O85383_STAAU] by SWISSPFAM Domains found in 2G9H: [IGc1] [MHC_II_alpha] [MHC_II_beta ] by SMART

Other resources with information on 2G9H

Community annotation for 2G9H at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---