1LTO	Hydrolase	date	May 20, 2002
title	Human Alpha1-Tryptase
authors	U.Marquardt, F.Zettl, R.Huber, W.Bode, C.P.Sommerhoff
compound		source
Molecule: Alpha Tryptase I Chain: A, B, C, D Ec: 3.4.21.59 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Pichia Pastoris Expression_system_taxid: 4922
symmetry	Space Group: P 21 21 21	R_factor 0.214 R_Free 0.267
crystal cell	length a length b length c angle alpha angle beta angle gamma 91.441 110.685 130.092 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand		enzyme	Hydrolase E.C.3.4.21.59 BRENDA
related structures	by homologous chain: 1A0L, 2BM2
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	The crystal structure of human alpha1-tryptase reveals a blocked substrate-binding region., Marquardt U, Zettl F, Huber R, Bode W, Sommerhoff C, J Mol Biol 2002 Aug 16;321(3):491-502. PMID:12162961

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (173 Kb) [Save to disk] Biological Unit Coordinates (1lto.pdb1.gz) 167 Kb CSU: Contacts of Structural Units for 1LTO Likely Quarternary Molecular Structure file(s) for 1LTO Retrieve 1LTO in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1LTO from S2C, [Save to disk]

View 1LTO in 3D

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Visual 3D analysis of 1LTO

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1LTO, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ltoa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ltob_, region B [Jmol] [rasmolscript] [script source]     - Domain d1ltoc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1ltod_, region D [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: [1lto] [1lto_C] [1lto_D] [1lto_B] [1lto_A] SWISS-PROT database: [P15157] Domain organization of [TRYA1_HUMAN] by SWISSPFAM Domain found in 1LTO: [Tryp_SPc ] by SMART

Other resources with information on 1LTO

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

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