3PCK	Dioxygenase	date	Jul 18, 1997
title	Structure Of Protocatechuate 3,4-Dioxygenase Complexed With Hydroxynicotinic Acid N-Oxide
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 0.173 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 196.900 127.800 134.400 90.00 97.80 90.00
method	X-Ray Diffraction	resolution	2.13 Å
ligand	BME, FE, NNO	enzyme	Oxidoreductase E.C.1.13.11.3 BRENDA
related structures	by homologous chain: 2PCD, 3PCD, 3PCJ
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 (3pck.pdb1.gz) 857 Kb LPC: Ligand-Protein Contacts for 3PCK CSU: Contacts of Structural Units for 3PCK Likely Quarternary Molecular Structure file(s) for 3PCK Retrieve 3PCK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3PCK from S2C, [Save to disk]

View 3PCK 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 3PCK

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3PCK, from MSDmotif at EBI Genome occurence of 3PCK's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d3pcka_, region A [Jmol] [rasmolscript] [script source]     - Domain d3pckb_, region B [Jmol] [rasmolscript] [script source]     - Domain d3pckc_, region C [Jmol] [rasmolscript] [script source]     - Domain d3pckd_, region D [Jmol] [rasmolscript] [script source]     - Domain d3pcke_, region E [Jmol] [rasmolscript] [script source]     - Domain d3pckf_, region F [Jmol] [rasmolscript] [script source]     - Domain d3pckm_, region M [Jmol] [rasmolscript] [script source]     - Domain d3pckn_, region N [Jmol] [rasmolscript] [script source]     - Domain d3pcko_, region O [Jmol] [rasmolscript] [script source]     - Domain d3pckp_, region P [Jmol] [rasmolscript] [script source]     - Domain d3pckq_, region Q [Jmol] [rasmolscript] [script source]     - Domain d3pckr_, 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: [3pck] [3pck_E] [3pck_P] [3pck_M] [3pck_O] [3pck_Q] [3pck_A] [3pck_R] [3pck_N] [3pck_D] [3pck_F] [3pck_B] [3pck_C] SWISS-PROT database: [P00436] [P00437] Domain organization of [PCXA_PSEPU] [PCXB_PSEPU] by SWISSPFAM

Other resources with information on 3PCK

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

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