6CQN	Immune System	date	Mar 15, 2018
title	Crystal Structure Of F5 Tcr -Dr11-Rq13 Peptide Complex
authors	C.Farenc, S.Gras, J.Rossjohn
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, Hla-Dra1 Expression_system: Homo Sapiens Expression_system_taxid: 9606
Molecule: Hla Class II Histocompatibility Antigen, Drb1-11 Chain; Chain: B Synonym: Dr-5,Dr5,Drw11,Mhc Class II Antigen Drb111 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hla-Drb1 Expression_system: Homo Sapiens Expression_system_taxid: 9606
Molecule: Peptide From Capsid Protein P24 Chain: C Synonym: Pr55gag Engineered: Yes		Organism_scientific: Hiv-1 M:B_hxb2r Organism_taxid: 11706 Gene: Gag Expression_system: Homo Sapiens Expression_system_taxid: 9606
Molecule: F5 Alpha Chain Chain: D Engineered: Yes		Organism_scientific: Homo Sapiens Organism_taxid: 9606 Expression_system: Homo Sapiens Expression_system_taxid: 9606
Molecule: F5 Beta Chain Chain: E Engineered: Yes		Organism_scientific: Homo Sapiens Organism_taxid: 9606 Expression_system: Homo Sapiens Expression_system_taxid: 9606
symmetry	Space Group: P 21 21 2	R_factor 0.196 R_Free 0.251
crystal cell	length a length b length c angle alpha angle beta angle gamma 75.317 205.792 70.229 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	CL, MG, NAG, SO4	enzyme
Gene Ontology	Chain Function Process Component A B D
Primary reference	CD4(+) T cell-mediated HLA class II cross-restriction in HIV controllers., Galperin M, Farenc C, Mukhopadhyay M, Jayasinghe D, Decroos A, Benati D, Tan LL, Ciacchi L, Reid HH, Rossjohn J, Chakrabarti LA, Gras S, Sci Immunol. 2018 Jun 8;3(24). pii: 3/24/eaat0687. doi:, 10.1126/sciimmunol.aat0687. PMID:29884618

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (145 Kb) [Save to disk] Biological Unit Coordinates (6cqn.pdb1.gz) 140 Kb LPC: Ligand-Protein Contacts for 6CQN CSU: Contacts of Structural Units for 6CQN Structure Factors (1337 Kb) Retrieve 6CQN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 6CQN from S2C, [Save to disk]

View 6CQN 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 6CQN

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [6cqn_A] [6cqn_D] [6cqn_E] [6cqn_B] [6cqn_C] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 6CQN

Community annotation for 6CQN at PDBWiki (http://pdbwiki.org)

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

---