1TRM	Hydrolase (Serine Proteinase)	date	Oct 21, 1987
title	The Three-Dimensional Structure Of Asn102 Mutant Of Trypsin. Asp102 In Serine Protease Catalysis
authors	S.Sprang, T.Standing, R.J.Fletterick
compound		source
Molecule: Trypsin Chain: A, B Ec: 3.4.21.4 Engineered: Yes		Organism_scientific: Rattus Rattus Organism_common: Black Rat Organism_taxid: 10117
symmetry	Space Group: P 21 21 21	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 40.400 92.000 127.300 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	BEN, CA	enzyme	Hydrolase E.C.3.4.21.4 BRENDA
related structures	by homologous chain: 1AND, 1K9O
Gene Ontology	Chain Function Process Component A, B
Primary reference	The three-dimensional structure of Asn102 mutant of trypsin: role of Asp102 in serine protease catalysis., Sprang S, Standing T, Fletterick RJ, Stroud RM, Finer-Moore J, Xuong NH, Hamlin R, Rutter WJ, Craik CS, Science 1987 Aug 21;237(4817):905-9. PMID:3112942

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (80 Kb) [Save to disk] Biological Unit Coordinates (1trm.pdb1.gz) 73 Kb LPC: Ligand-Protein Contacts for 1TRM CSU: Contacts of Structural Units for 1TRM Likely Quarternary Molecular Structure file(s) for 1TRM Retrieve 1TRM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1TRM from S2C, [Save to disk]

View 1TRM 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 1TRM

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1TRM, from MSDmotif at EBI Genome occurence of 1TRM's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1trma_, region A [Jmol] [rasmolscript] [script source]     - Domain d1trmb_, region B [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: [1trm_A] [1trm_B] [1trm] SWISS-PROT database: [P00763] Domain organization of [TRY2_RAT] by SWISSPFAM Domain found in 1TRM: [Tryp_SPc ] by SMART

Other resources with information on 1TRM

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

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