1PIP	Hydrolase Hydrolase Inhibitor	date	Oct 03, 1992
title	Crystal Structure Of Papain-Succinyl-Gln-Val-Val-Ala-Ala-P- Nitroanilide Complex At 1.7 Angstroms Resolution: Noncovale Mode Of A Common Sequence Of Endogenous Thiol Protease Inhi
authors	A.Yamamoto, K.Tomoo, M.Doi, H.Ohishi, M.Inoue, T.Ishida, D.Yamamot S.Tsuboi, H.Okamoto, Y.Okada
compound		source
Molecule: Papain Chain: A Ec: 3.4.22.2 Engineered: Yes		Organism_scientific: Carica Papaya Organism_common: Papaya Organism_taxid: 3649
Molecule: Succinyl-Gln-Val-Val-Ala-Ala-P-Nitroanilide Chain: B Engineered: Yes		Synthetic: Yes
symmetry	Space Group: P 21 21 21	R_factor 0.196 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 43.090 102.300 49.690 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand	NIT, SIN	enzyme	Hydrolase E.C.3.4.22.2 BRENDA
related structures	by homologous chain: 1CVZ, 1PPO
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of papain-succinyl-Gln-Val-Val-Ala-Ala-p-nitroanilide complex at 1.7-A resolution: noncovalent binding mode of a common sequence of endogenous thiol protease inhibitors., Yamamoto A, Tomoo K, Doi M, Ohishi H, Inoue M, Ishida T, Yamamoto D, Tsuboi S, Okamoto H, Okada Y, Biochemistry 1992 Nov 24;31(46):11305-9. PMID:1445868

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (34 Kb) [Save to disk] Biological Unit Coordinates (1pip.pdb1.gz) 30 Kb LPC: Ligand-Protein Contacts for 1PIP CSU: Contacts of Structural Units for 1PIP Likely Quarternary Molecular Structure file(s) for 1PIP Retrieve 1PIP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1PIP from S2C, [Save to disk]

View 1PIP 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 1PIP

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1PIP, from MSDmotif at EBI Genome occurence of 1PIP's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1pipa_, region A [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: [1pip_B] [1pip] [1pip_A] SWISS-PROT database: [P00784] Domain organization of [PAPA1_CARPA] by SWISSPFAM Domain found in 1PIP: [Pept_C1 ] by SMART

Other resources with information on 1PIP

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

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Images from IMB Jena Image Library of Biological Macromolecules.

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