1PP4	Hydrolase	date	Jun 16, 2003
title	The Crystal Structure Of Rhamnogalacturonan Acetylesterase I Group P3121
authors	A.Molgaard, S.Larsen
compound		source
Molecule: Rhamnogalacturonan Acetylesterase Chain: A, B Synonym: Rgae Ec: 3.1.1.- Engineered: Yes		Organism_scientific: Aspergillus Aculeatus Organism_taxid: 5053 Gene: Rha1 Expression_system: Aspergillus Oryzae Expression_system_taxid: 5062 Expression_system_strain: Ksm 510 Expression_system_vector_type: Plasmid Expression_system_plasmid: Phd464
symmetry	Space Group: P 31 2 1	R_factor 0.182 R_Free 0.222
crystal cell	length a length b length c angle alpha angle beta angle gamma 75.360 75.360 212.300 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	NAG	enzyme	Hydrolase E.C.3.1.1 BRENDA
related structures	by homologous chain: 1DEX
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal packing in two pH-dependent crystal forms of rhamnogalacturonan acetylesterase., Molgaard A, Larsen S, Acta Crystallogr D Biol Crystallogr 2004 Mar;60(Pt 3):472-8. Epub 2004 Feb, 25. PMID:14993671

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (76 Kb) [Save to disk] Biological Unit Coordinates (1pp4.pdb1.gz) 37 Kb Biological Unit Coordinates (1pp4.pdb2.gz) 37 Kb LPC: Ligand-Protein Contacts for 1PP4 CSU: Contacts of Structural Units for 1PP4 Likely Quarternary Molecular Structure file(s) for 1PP4 Structure Factors (214 Kb) Retrieve 1PP4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1PP4 from S2C, [Save to disk] Re-refined 1pp4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1PP4 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 1PP4

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1PP4, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1pp4a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1pp4b_, 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: [1pp4_B] [1pp4] [1pp4_A] SWISS-PROT database: [Q00017] Domain organization of [RHA1_ASPAC] by SWISSPFAM

Other resources with information on 1PP4

Community annotation for 1PP4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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