1A2Y	Complex (Immunoglobulin Hydrolase)	date	Jan 13, 1998
title	Hen Egg White Lysozyme, D18a Mutant, In Complex With Mouse M Antibody D1.3
authors	D.Tsuchiya, R.A.Mariuzza
compound		source
Molecule: Igg1-Kappa D1.3 Fv (Light Chain) Chain: A Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Organ: Egg Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Igg1-Kappa D1.3 Fv (Heavy Chain) Chain: B Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Organ: Egg Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Lysozyme Chain: C Ec: 3.2.1.17 Engineered: Yes Mutation: Yes		Organism_scientific: Gallus Gallus Organism_common: Chicken Organism_taxid: 9031 Organ: Egg Cell: Egg Cellular_location: Cytoplasm (White) Expression_system: Saccharomyces Cerevisiae Expression_system_common: Baker'S Yeast Expression_system_taxid: 4932
symmetry	Space Group: C 1 2 1	R_factor 0.203 R_Free 0.251
crystal cell	length a length b length c angle alpha angle beta angle gamma 130.667 61.212 57.425 90.00 119.14 90.00
method	X-Ray Diffraction	resolution	1.50 Å
ligand	PO4	enzyme	Hydrolase E.C.3.2.1.17 BRENDA
related structures	by homologous chain: 1AKI, 1G7J, 1MQK, 1UAC, 1XFP
Gene Ontology	Chain Function Process Component A B C
Primary reference	A mutational analysis of binding interactions in an antigen-antibody protein-protein complex., Dall'Acqua W, Goldman ER, Lin W, Teng C, Tsuchiya D, Li H, Ysern X, Braden BC, Li Y, Smith-Gill SJ, Mariuzza RA, Biochemistry 1998 Jun 2;37(22):7981-91. PMID:9609690

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (69 Kb) [Save to disk] Biological Unit Coordinates (1a2y.pdb1.gz) 66 Kb LPC: Ligand-Protein Contacts for 1A2Y CSU: Contacts of Structural Units for 1A2Y Likely Quarternary Molecular Structure file(s) for 1A2Y Retrieve 1A2Y in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A2Y from S2C, [Save to disk]

View 1A2Y 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 1A2Y

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1A2Y 1A2YA 1A2YB 1A2YC from the CEP Server. Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1A2Y, from MSDmotif at EBI Genome occurence of 1A2Y's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1a2ya_, region A [Jmol] [rasmolscript] [script source]     - Domain d1a2yb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1a2yc_, region C [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: [1a2y_C] [1a2y_A] [1a2y_B] [1a2y] SWISS-PROT database: [P01820] [P01635] [P00698] Domain organization of [HVM44_MOUSE] [KV5A3_MOUSE] [LYSC_CHICK] by SWISSPFAM Domains found in 1A2Y: [IGv] [LYZ1 ] by SMART

Other resources with information on 1A2Y

Community annotation for 1A2Y at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1A2Y from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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