1BP4	Hydrolase	date	Aug 12, 1998
title	Use Of Papain As A Model For The Structure-Based Design Of C Inhibitors. Crystal Structures Of Two Papain Inhibitor Comp Demonstrate Binding To S'-Subsites.
authors	J.M.Lalonde, B.Zhao, W.W.Smith, C.A.Janson, R.L.Desjarlais, T.A.T T.J.Carr, S.K.Thompson, D.S.Yamashita, D.F.Veber, S.S.Abdel-Meq
compound		source
Molecule: Papain Chain: A Fragment: Non Other_details: Aldehyde Inhibitor Covalently Bound To Activ 25 As A Hemimercaptal. Bond Occurs Between Cys 25-Sg And Al		Organism_scientific: Carica Papaya Organism_common: Papaya Organism_taxid: 3649
symmetry	Space Group: C 1 2 1	R_factor 0.190 R_Free 0.240
crystal cell	length a length b length c angle alpha angle beta angle gamma 100.540 50.740 62.280 90.00 99.90 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	ALD	enzyme
related structures	by homologous chain: 1K3B, 1STF
Gene Ontology	Chain Function Process Component A
Primary reference	Use of papain as a model for the structure-based design of cathepsin K inhibitors: crystal structures of two papain-inhibitor complexes demonstrate binding to S'-subsites., LaLonde JM, Zhao B, Smith WW, Janson CA, DesJarlais RL, Tomaszek TA, Carr TJ, Thompson SK, Oh HJ, Yamashita DS, Veber DF, Abdel-Meguid SS, J Med Chem 1998 Nov 5;41(23):4567-76. PMID:9804696

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (41 Kb) [Save to disk] Biological Unit Coordinates (1bp4.pdb1.gz) 36 Kb LPC: Ligand-Protein Contacts for 1BP4 CSU: Contacts of Structural Units for 1BP4 Likely Quarternary Molecular Structure file(s) for 1BP4 Retrieve 1BP4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1BP4 from S2C, [Save to disk]

View 1BP4 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 1BP4

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1BP4, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1bp4__, region [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: [1bp4] [1bp4_A] SWISS-PROT database: [P00784] Domain organization of [PAPA1_CARPA] by SWISSPFAM Domain found in 1BP4: [Pept_C1 ] by SMART

Other resources with information on 1BP4

Community annotation for 1BP4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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