6CQQ	Immune System	date	Mar 16, 2018
title	Crystal Structure Of F24 Tcr -Dr15-Rq13 Peptide Complex
authors	C.Farenc, S.Gras, J.Rossjohn
compound		source
Molecule: Hla Class II Histocompatibility Antigen, Dr Alpha Chain: A, F 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-Drb1 Protein Chain: B, G Synonym: Mhc Class II Antigen 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, H Synonym: Pr55gag Engineered: Yes		Synthetic: Yes Organism_scientific: Hiv-1 M:B_hxb2r Organism_taxid: 11706
Molecule: F24 Alpha Chain Chain: D, I Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Homo Sapiens Expression_system_taxid: 9606
Molecule: F24 Beta Chain Chain: E, J Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Homo Sapiens Expression_system_taxid: 9606
symmetry	Space Group: P 1 21 1	R_factor 0.207 R_Free 0.254
crystal cell	length a length b length c angle alpha angle beta angle gamma 76.339 203.273 100.245 90.00 109.16 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	EDO, MG, NAG, SO4	enzyme
Gene Ontology	Chain Function Process Component D, I F, A G, B
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] (284 Kb) [Save to disk] Biological Unit Coordinates (6cqq.pdb1.gz) 142 Kb Biological Unit Coordinates (6cqq.pdb2.gz) 143 Kb LPC: Ligand-Protein Contacts for 6CQQ CSU: Contacts of Structural Units for 6CQQ Structure Factors (2464 Kb) Retrieve 6CQQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 6CQQ from S2C, [Save to disk]

View 6CQQ in 3D

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Visual 3D analysis of 6CQQ

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: [6cqq_F] [6cqq_I] [6cqq_J] [6cqq_E] [6cqq_D] [6cqq_H] [6cqq_C] [6cqq_B] [6cqq_A] [6cqq_G] SWISS-PROT database: Domain organization of by SWISSPFAM

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