3PCA	Dioxygenase	date	Jul 18, 1997
title	Structure Of Protocatechuate 3,4-Dioxygenase Complexed With Dihydroxybenzoate
authors	A.M.Orville, J.D.Lipscomb, D.H.Ohlendorf
compound		source
Molecule: Protocatechuate 3,4-Dioxygenase Chain: A, B, C, D, E, F Ec: 1.13.11.3 Other_details: Entry Contains Alphabeta 6-Mer		Organism_scientific: Pseudomonas Putida Organism_taxid: 303 Atcc: 23975 Other_details: Previously Classified As Pseudomonas Aerugin
Molecule: Protocatechuate 3,4-Dioxygenase Chain: M, N, O, P, Q, R Ec: 1.13.11.3 Other_details: Entry Contains Alphabeta 6-Mer		Organism_scientific: Pseudomonas Putida Organism_taxid: 303 Atcc: 23975 Other_details: Previously Classified As Pseudomonas Aerugin
symmetry	Space Group: I 1 2 1	R_factor 0.165 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 196.300 127.200 133.800 90.00 97.60 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	BME, DHB, FE	enzyme	Oxidoreductase E.C.1.13.11.3 BRENDA
related structures	by homologous chain: 3PCB, 3PCI
Gene Ontology	Chain Function Process Component F, A, E, B, C, D O, N, P, Q, M, R
Primary reference	Crystal structures of substrate and substrate analog complexes of protocatechuate 3,4-dioxygenase: endogenous Fe3+ ligand displacement in response to substrate binding., Orville AM, Lipscomb JD, Ohlendorf DH, Biochemistry 1997 Aug 19;36(33):10052-66. PMID:9254600

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (440 Kb) [Save to disk] Biological Unit Coordinates (3pca.pdb1.gz) 856 Kb LPC: Ligand-Protein Contacts for 3PCA CSU: Contacts of Structural Units for 3PCA Likely Quarternary Molecular Structure file(s) for 3PCA Retrieve 3PCA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3PCA from S2C, [Save to disk]

View 3PCA 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 3PCA

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3PCA, from MSDmotif at EBI Genome occurence of 3PCA's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d3pcaa_, region A [Jmol] [rasmolscript] [script source]     - Domain d3pcab_, region B [Jmol] [rasmolscript] [script source]     - Domain d3pcac_, region C [Jmol] [rasmolscript] [script source]     - Domain d3pcad_, region D [Jmol] [rasmolscript] [script source]     - Domain d3pcae_, region E [Jmol] [rasmolscript] [script source]     - Domain d3pcaf_, region F [Jmol] [rasmolscript] [script source]     - Domain d3pcam_, region M [Jmol] [rasmolscript] [script source]     - Domain d3pcan_, region N [Jmol] [rasmolscript] [script source]     - Domain d3pcao_, region O [Jmol] [rasmolscript] [script source]     - Domain d3pcap_, region P [Jmol] [rasmolscript] [script source]     - Domain d3pcaq_, region Q [Jmol] [rasmolscript] [script source]     - Domain d3pcar_, region R [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: [3pca_B] [3pca_E] [3pca] [3pca_A] [3pca_R] [3pca_O] [3pca_F] [3pca_N] [3pca_C] [3pca_P] [3pca_D] [3pca_Q] [3pca_M] SWISS-PROT database: [P00436] [P00437] Domain organization of [PCXA_PSEPU] [PCXB_PSEPU] by SWISSPFAM

Other resources with information on 3PCA

Community annotation for 3PCA at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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