1PMA	Protease	date	Dec 19, 1994
title	Proteasome From Thermoplasma Acidophilum
authors	J.Loewe, D.Stock, B.Jap, P.Zwickl, W.Baumeister, R.Huber
compound		source
Molecule: Proteasome Chain: A, C, D, E, F, G, H, I, J, K, L, M, N, O Synonym: Prosome, Multicatalytic Protease, Mcp, Macropain Ec: 3.4.99.46 Engineered: Yes		Organism_scientific: Thermoplasma Acidophilum Organism_taxid: 2303 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Proteasome Chain: B, P, Q, R, S, T, U, V, W, X, Y, Z, 1, 2 Synonym: Prosome, Multicatalytic Protease, Mcp, Macropain Ec: 3.4.99.46 Engineered: Yes		Organism_scientific: Thermoplasma Acidophilum Organism_taxid: 2303 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.221 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 311.900 209.700 117.200 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.40 Å
ligand		enzyme	Hydrolase E.C.3.4.99.46 BRENDA
note	1PMA (Molecule of the Month:pdb166)
Gene Ontology	Chain Function Process Component F, N, K, E, M, C, L, A, J, O, H, D, I, G S, T, Y, 2, V, Z, Q, 1, W, X, P, B, R, U
Primary reference	Crystal structure of the 20S proteasome from the archaeon T. acidophilum at 3.4 A resolution., Lowe J, Stock D, Jap B, Zwickl P, Baumeister W, Huber R, Science 1995 Apr 28;268(5210):533-9. PMID:7725097

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (1096 Kb) [Save to disk] Biological Unit Coordinates (1pma.pdb1.gz) 1090 Kb CSU: Contacts of Structural Units for 1PMA Likely Quarternary Molecular Structure file(s) for 1PMA Structure Factors (921 Kb) Retrieve 1PMA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1PMA from S2C, [Save to disk] Re-refined 1pma structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1PMA 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 1PMA

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 1PMA, from MSDmotif at EBI Genome occurence of 1PMA's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1pma1_, region 1 [Jmol] [rasmolscript] [script source]     - Domain d1pma2_, region 2 [Jmol] [rasmolscript] [script source]     - Domain d1pmaa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1pmab_, region B [Jmol] [rasmolscript] [script source]     - Domain d1pmac_, region C [Jmol] [rasmolscript] [script source]     - Domain d1pmad_, region D [Jmol] [rasmolscript] [script source]     - Domain d1pmae_, region E [Jmol] [rasmolscript] [script source]     - Domain d1pmaf_, region F [Jmol] [rasmolscript] [script source]     - Domain d1pmag_, region G [Jmol] [rasmolscript] [script source]     - Domain d1pmah_, region H [Jmol] [rasmolscript] [script source]     - Domain d1pmai_, region I [Jmol] [rasmolscript] [script source]     - Domain d1pmaj_, region J [Jmol] [rasmolscript] [script source]     - Domain d1pmak_, region K [Jmol] [rasmolscript] [script source]     - Domain d1pmal_, region L [Jmol] [rasmolscript] [script source]     - Domain d1pmam_, region M [Jmol] [rasmolscript] [script source]     - Domain d1pman_, region N [Jmol] [rasmolscript] [script source]     - Domain d1pmao_, region O [Jmol] [rasmolscript] [script source]     - Domain d1pmap_, region P [Jmol] [rasmolscript] [script source]     - Domain d1pmaq_, region Q [Jmol] [rasmolscript] [script source]     - Domain d1pmar_, region R [Jmol] [rasmolscript] [script source]     - Domain d1pmas_, region S [Jmol] [rasmolscript] [script source]     - Domain d1pmat_, region T [Jmol] [rasmolscript] [script source]     - Domain d1pmau_, region U [Jmol] [rasmolscript] [script source]     - Domain d1pmav_, region V [Jmol] [rasmolscript] [script source]     - Domain d1pmaw_, region W [Jmol] [rasmolscript] [script source]     - Domain d1pmax_, region X [Jmol] [rasmolscript] [script source]     - Domain d1pmay_, region Y [Jmol] [rasmolscript] [script source]     - Domain d1pmaz_, region Z [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: [1pma_X] [1pma_G] [1pma_E] [1pma_U] [1pma_C] [1pma_W] [1pma_Y] [1pma_D] [1pma_R] [1pma_H] [1pma_V] [1pma_Q] [1pma_2] [1pma_L] [1pma_I] [1pma_1] [1pma_F] [1pma_Z] [1pma_T] [1pma_O] [1pma] [1pma_K] [1pma_P] [1pma_B] [1pma_S] [1pma_N] [1pma_J] [1pma_A] [1pma_M] SWISS-PROT database: [P25156] [P28061] Domain organization of [PSMA_THEAC] [PSMB_THEAC] by SWISSPFAM Domain found in 1PMA: [Proteasome_A_N ] by SMART

Other resources with information on 1PMA

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

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Images from IMB Jena Image Library of Biological Macromolecules.

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