1KEM	Catalytic Antibody	date	Apr 16, 1996
title	Catalytic Antibody 28b4 Fab Fragment
authors	L.C.Hsieh-Wilson, P.G.Schultz, R.C.Stevens
compound		source
Molecule: 28b4 Fab Chain: L Fragment: Variable Regions Of Light And Heavy Chains Other_details: This Protein Is A Fab Fragment Produced Upon The Digestion Of Full-Length Murine Monoclonal Antibody By Papain;		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Strain: Balbc Cell_line: 28b4
Molecule: 28b4 Fab Chain: H Fragment: Variable Regions Of Light And Heavy Chains Other_details: This Protein Is A Fab Fragment Produced Upon The Digestion Of Full-Length Murine Monoclonal Antibody By Papain		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Strain: Balbc Cell_line: 28b4
symmetry	Space Group: P 1	R_factor 0.183 R_Free 0.288
crystal cell	length a length b length c angle alpha angle beta angle gamma 47.200 58.600 43.400 95.30 103.20 93.60
method	X-Ray Diffraction	resolution	2.20 Å
related structures	by homologous chain: 1DSF, 1FVC, 1IL1, 1RIV
Primary reference	Insights into antibody catalysis: structure of an oxygenation catalyst at 1.9-angstrom resolution., Hsieh-Wilson LC, Schultz PG, Stevens RC, Proc Natl Acad Sci U S A 1996 May 28;93(11):5363-7. PMID:8643580

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (86 Kb) [Save to disk] Biological Unit Coordinates (1kem.pdb1.gz) 82 Kb CSU: Contacts of Structural Units for 1KEM Likely Quarternary Molecular Structure file(s) for 1KEM Structure Factors (141 Kb) Retrieve 1KEM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KEM from S2C, [Save to disk] Re-refined 1kem structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1KEM 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 1KEM

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1KEM, from MSDmotif at EBI Genome occurence of 1KEM's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1kemh1, region H:1-115 [Jmol] [rasmolscript] [script source]     - Domain d1kemh2, region H:116-218 [Jmol] [rasmolscript] [script source]     - Domain d1keml1, region L:1-112 [Jmol] [rasmolscript] [script source]     - Domain d1keml2, region L:113-217 [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: [1kem_L] [1kem] [1kem_H] SWISS-PROT database: [P01868] Domain organization of [IGHG1_MOUSE] by SWISSPFAM Domains found in 1KEM: [IG_like] [IGv ] by SMART

Other resources with information on 1KEM

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

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