5VKJ	Immune System	date	Apr 21, 2017
title	Crystal Structure Of Human Cd22 Ig Domains 1-3
authors	J.P.Julien, J.Ereno-Orbea, T.Sicard
compound		source
Molecule: B-Cell Receptor Cd22 Chain: A Fragment: Extracellular Domain Residues 20-330 Synonym: B-Lymphocyte Cell Adhesion Molecule,Bl-Cam,Sialic Binding Ig-Like Lectin 2,Siglec-2,T-Cell Surface Antigen Le Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Cd22, Siglec2 Expression_system: Homo Sapiens Expression_system_taxid: 9606 Expression_system_cell_line: Hek293
symmetry	Space Group: C 1 2 1	R_factor 0.202 R_Free 0.232
crystal cell	length a length b length c angle alpha angle beta angle gamma 126.807 56.569 49.434 90.00 110.70 90.00
method	X-Ray Diffraction	resolution	2.12 Å
ligand	BMA, GOL, MAN, NAG	enzyme
Primary reference	Molecular basis of human CD22 function and therapeutic targeting., Ereno-Orbea J, Sicard T, Cui H, Mazhab-Jafari MT, Benlekbir S, Guarne A, Rubinstein JL, Julien JP, Nat Commun. 2017 Oct 2;8(1):764. doi: 10.1038/s41467-017-00836-6. PMID:28970495

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (60 Kb) [Save to disk] Biological Unit Coordinates (5vkj.pdb1.gz) 55 Kb LPC: Ligand-Protein Contacts for 5VKJ CSU: Contacts of Structural Units for 5VKJ Structure Factors (490 Kb) Retrieve 5VKJ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 5VKJ from S2C, [Save to disk]

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Structure-derived information

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Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [5vkj_A] SWISS-PROT database: Domain organization of by SWISSPFAM

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