1KCS	Immune System	date	Nov 11, 2001
title	Crystal Structure Of Antibody Pc282 In Complex With Ps1 Peptide
authors	D.T.Nair, K.Singh, Z.Siddiqui, B.P.Nayak, K.V.S.Rao, D.M.Salunke
compound		source
Molecule: Pc282 Immunoglobulin Chain: L Fragment: Light Chain		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090
Molecule: Pc282 Immunoglobulin Chain: H Fragment: Heavy Chain		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090
Molecule: Ps1 Peptide Chain: P Engineered: Yes		Synthetic: Yes Other_details: The Peptide Was Chemically Synthesized. The Sequence Of The Peptide Is Naturally Found In Hepatitis B Virus.
symmetry	Space Group: P 1 21 1	R_factor 0.209 R_Free 0.277
crystal cell	length a length b length c angle alpha angle beta angle gamma 52.601 69.524 59.359 90.00 95.62 90.00
method	X-Ray Diffraction	resolution	2.50 Å
related structures	by homologous chain: 1KC5, 1P84, 2JEL
Gene Ontology	Chain Function Process Component H L
Primary reference	Epitope recognition by diverse antibodies suggests conformational convergence in an antibody response., Nair DT, Singh K, Siddiqui Z, Nayak BP, Rao KV, Salunke DM, J Immunol 2002 Mar 1;168(5):2371-82. PMID:11859128

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (69 Kb) [Save to disk] Biological Unit Coordinates (1kcs.pdb1.gz) 64 Kb CSU: Contacts of Structural Units for 1KCS Likely Quarternary Molecular Structure file(s) for 1KCS Retrieve 1KCS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KCS from S2C, [Save to disk]

View 1KCS 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 1KCS

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1KCS, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1kcsh1, region H:1-116 [Jmol] [rasmolscript] [script source]     - Domain d1kcsh2, region H:117-217 [Jmol] [rasmolscript] [script source]     - Domain d1kcsl1, region L:1-107 [Jmol] [rasmolscript] [script source]     - Domain d1kcsl2, region L:108-214 [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: [1kcs_P] [1kcs_H] [1kcs_L] [1kcs] SWISS-PROT database: [P18532] [P01837] Domain organization of [HVM61_MOUSE] [IGKC_MOUSE] by SWISSPFAM Domains found in 1KCS: [IG_like] [IGv ] by SMART

Other resources with information on 1KCS

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

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