1HBN	Methanogenesis	date	Apr 20, 2001
title	Methyl-Coenzyme M Reductase
authors	U.Ermler, W.Grabarse
compound		source
Molecule: Methyl-Coenzyme M Reductase I Alpha Subunit Chain: A, D		Organism_scientific: Methanothermobacter Thermautotrophicus Organism_taxid: 145262 Strain: Marburg Cellular_location: Cytoplasm
Molecule: Methyl-Coenzyme M Reductase I Beta Subunit Chain: B, E		Organism_scientific: Methanothermobacter Thermautotrophicus Organism_taxid: 145262 Strain: Marburg Cellular_location: Cytoplasm
Molecule: Methyl-Coenzyme M Reductase I Gamma Subunit Chain: C, F Other_details: Mcr-Ox-Silent State, Enzyme-Substrate Comple		Organism_scientific: Methanothermobacter Thermautotrophicus Organism_taxid: 145262 Strain: Marburg Cellular_location: Cytoplasm
symmetry	Space Group: P 1 21 1	R_factor 0.124 R_Free 0.190
crystal cell	length a length b length c angle alpha angle beta angle gamma 81.720 116.883 122.582 90.00 92.02 90.00
method	X-Ray Diffraction	resolution	1.16 Å
ligand	AGM, CL, COM, F43, GL3, GOL, MG, MGN, MHS, NA, SMC, TP7, ZN	enzyme
note	1HBN is a representative structure
related structures	by homologous chain: 1MRO
Gene Ontology	Chain Function Process Component A, D E, B F, C
Primary reference	On the mechanism of biological methane formation: structural evidence for conformational changes in methyl-coenzyme M reductase upon substrate binding., Grabarse W, Mahlert F, Duin EC, Goubeaud M, Shima S, Thauer RK, Lamzin V, Ermler U, J Mol Biol 2001 May 25;309(1):315-30. PMID:11491299

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (895 Kb) [Save to disk] Biological Unit Coordinates (1hbn.pdb1.gz) 881 Kb LPC: Ligand-Protein Contacts for 1HBN CSU: Contacts of Structural Units for 1HBN Likely Quarternary Molecular Structure file(s) for 1HBN Retrieve 1HBN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1HBN from S2C, [Save to disk]

View 1HBN 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 1HBN

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1HBN 1HBNA 1HBNB 1HBNC 1HBND 1HBNE 1HBNF from the CEP Server. Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1HBN, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1hbna2, region A:2-269 [Jmol] [rasmolscript] [script source]     - Domain d1hbna1, region A:270-549 [Jmol] [rasmolscript] [script source]     - Domain d1hbnb1, region B:189-443 [Jmol] [rasmolscript] [script source]     - Domain d1hbnb2, region B:2-188 [Jmol] [rasmolscript] [script source]     - Domain d1hbnc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1hbnd2, region D:2-269 [Jmol] [rasmolscript] [script source]     - Domain d1hbnd1, region D:270-549 [Jmol] [rasmolscript] [script source]     - Domain d1hbne1, region E:189-443 [Jmol] [rasmolscript] [script source]     - Domain d1hbne2, region E:2-188 [Jmol] [rasmolscript] [script source]     - Domain d1hbnf_, region F [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: [1hbn_C] [1hbn_D] [1hbn_B] [1hbn_A] [1hbn_E] [1hbn_F] [1hbn] SWISS-PROT database: [P11558] [P11560] [P11562] Domain organization of [MCRA_METTM] [MCRB_METTM] [MCRG_METTM] by SWISSPFAM

Other resources with information on 1HBN

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

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