1KIQ	Complex (Immunoglobulin Hydrolase)	date	Oct 23, 1996
title	Fv Mutant Y(B 101)F (Vh Domain) Of Mouse Monoclonal Antibody D1.3 Complexed With Hen Egg White Lysozyme
authors	B.A.Fields, R.J.Poljak, R.A.Mariuzza
compound		source
Molecule: Monoclonal Antibody D1.3 Chain: A Engineered: Yes Mutation: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Organ: Egg Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Monoclonal Antibody D1.3 Chain: B Engineered: Yes Mutation: 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		Organism_scientific: Gallus Gallus Organism_common: Chicken Organism_taxid: 9031 Organ: Egg Cell: Egg Cellular_location: Egg White Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: C 1 2 1	R_factor 0.181 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 129.780 60.360 56.830 90.00 119.14 90.00
method	X-Ray Diffraction	resolution	1.85 Å
ligand		enzyme	Hydrolase E.C.3.2.1.17 BRENDA
related structures	by homologous chain: 1B0W, 1G7H, 1JPT, 1T2Q, 1UC0, 1UIF
Gene Ontology	Chain Function Process Component A C
Primary reference	Hydrogen bonding and solvent structure in an antigen-antibody interface. Crystal structures and thermodynamic characterization of three Fv mutants complexed with lysozyme., Fields BA, Goldbaum FA, Dall'Acqua W, Malchiodi EL, Cauerhff A, Schwarz FP, Ysern X, Poljak RJ, Mariuzza RA, Biochemistry 1996 Dec 3;35(48):15494-503. PMID:8952503

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (63 Kb) [Save to disk] Biological Unit Coordinates (1kiq.pdb1.gz) 60 Kb CSU: Contacts of Structural Units for 1KIQ Likely Quarternary Molecular Structure file(s) for 1KIQ Structure Factors (211 Kb) Retrieve 1KIQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KIQ from S2C, [Save to disk] Re-refined 1kiq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1KIQ 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 1KIQ

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 1KIQ, from MSDmotif at EBI Genome occurence of 1KIQ's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1kiqa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1kiqb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1kiqc_, 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: [1kiq_B] [1kiq] [1kiq_C] [1kiq_A] SWISS-PROT database: [P00698] Domain organization of [LYSC_CHICK] by SWISSPFAM Domains found in 1KIQ: [IGv] [LYZ1 ] by SMART

Other resources with information on 1KIQ

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

Movements, Movies and Images

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

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