1PTU	Complex (Hydrolase Peptide)	date	Apr 21, 1995
title	Crystal Structure Of Protein Tyrosine Phosphatase 1b Complex Phosphotyrosine-Containing Hexa-Peptide (Dadepyl-Nh2)
authors	D.Barford, Z.Jia
compound		source
Molecule: Protein Tyrosine Phosphatase 1b Chain: A Ec: 3.1.3.48 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Phosphotyrosine-Containing Hexa-Peptide Chain: B Synonym: Dadepyl-Nh2 Engineered: Yes
symmetry	Space Group: P 31 2 1	R_factor 0.199 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 88.400 88.400 123.600 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	NH2, PTR	enzyme	Hydrolase E.C.3.1.3.48 BRENDA
note	1PTU (Molecule of the Month:pdb126)
related structures	by homologous chain: 1Q1M, 1T4J
Gene Ontology	Chain Function Process Component A
Primary reference	Structural basis for phosphotyrosine peptide recognition by protein tyrosine phosphatase 1B., Jia Z, Barford D, Flint AJ, Tonks NK, Science 1995 Jun 23;268(5218):1754-8. PMID:7540771

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (57 Kb) [Save to disk] Biological Unit Coordinates (1ptu.pdb1.gz) 101 Kb LPC: Ligand-Protein Contacts for 1PTU CSU: Contacts of Structural Units for 1PTU Likely Quarternary Molecular Structure file(s) for 1PTU Retrieve 1PTU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1PTU from S2C, [Save to disk]

View 1PTU 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 1PTU

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1PTU, from MSDmotif at EBI Genome occurence of 1PTU's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ptua_, 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: [1ptu] [1ptu_B] [1ptu_A] SWISS-PROT database: [P18031] Domain organization of [PTN1_HUMAN] by SWISSPFAM Domain found in 1PTU: [PTPc ] by SMART

Other resources with information on 1PTU

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

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