Macromolecule Annotations for the Entities in PDB 1HBM

Domain Annotation: SCOP Classification SCOP Database (version: 1.75) Homepage

Chains Domain Info Class Fold Superfamily Family Domain Species
A270-549 d1hbma1 All alpha proteins Methyl-coenzyme M reductase alpha and beta chain C- terminal domain Methyl-coenzyme M reductase alpha and beta chain C- terminal domain Methyl-coenzyme M reductase alpha and beta chain C- terminal domain Alpha chain Archaeon Methanobacterium thermoautotrophicum [TaxId: 145262]
A2-269 d1hbma2 Alpha and beta proteins (a+b) Ferredoxin-like Methyl-coenzyme M reductase subunits Methyl-coenzyme M reductase alpha and beta chain N- terminal domain Alpha chain Archaeon Methanobacterium thermoautotrophicum [TaxId: 145262]
B189-443 d1hbmb1 All alpha proteins Methyl-coenzyme M reductase alpha and beta chain C- terminal domain Methyl-coenzyme M reductase alpha and beta chain C- terminal domain Methyl-coenzyme M reductase alpha and beta chain C- terminal domain Beta chain Archaeon Methanobacterium thermoautotrophicum [TaxId: 145262]
B2-188 d1hbmb2 Alpha and beta proteins (a+b) Ferredoxin-like Methyl-coenzyme M reductase subunits Methyl-coenzyme M reductase alpha and beta chain N- terminal domain Beta chain Archaeon Methanobacterium thermoautotrophicum [TaxId: 145262]
C d1hbmc_ Alpha and beta proteins (a+b) Ferredoxin-like Methyl-coenzyme M reductase subunits Methyl-coenzyme M reductase gamma chain Methyl-coenzyme M reductase gamma chain Archaeon Methanobacterium thermoautotrophicum [TaxId: 145262]
D270-549 d1hbmd1 All alpha proteins Methyl-coenzyme M reductase alpha and beta chain C- terminal domain Methyl-coenzyme M reductase alpha and beta chain C- terminal domain Methyl-coenzyme M reductase alpha and beta chain C- terminal domain Alpha chain Archaeon Methanobacterium thermoautotrophicum [TaxId: 145262]
D2-269 d1hbmd2 Alpha and beta proteins (a+b) Ferredoxin-like Methyl-coenzyme M reductase subunits Methyl-coenzyme M reductase alpha and beta chain N- terminal domain Alpha chain Archaeon Methanobacterium thermoautotrophicum [TaxId: 145262]
E189-443 d1hbme1 All alpha proteins Methyl-coenzyme M reductase alpha and beta chain C- terminal domain Methyl-coenzyme M reductase alpha and beta chain C- terminal domain Methyl-coenzyme M reductase alpha and beta chain C- terminal domain Beta chain Archaeon Methanobacterium thermoautotrophicum [TaxId: 145262]
E2-188 d1hbme2 Alpha and beta proteins (a+b) Ferredoxin-like Methyl-coenzyme M reductase subunits Methyl-coenzyme M reductase alpha and beta chain N- terminal domain Beta chain Archaeon Methanobacterium thermoautotrophicum [TaxId: 145262]
F d1hbmf_ Alpha and beta proteins (a+b) Ferredoxin-like Methyl-coenzyme M reductase subunits Methyl-coenzyme M reductase gamma chain Methyl-coenzyme M reductase gamma chain Archaeon Methanobacterium thermoautotrophicum [TaxId: 145262]

Protein Family Annotation Pfam Database Homepage

Chains Pfam Accession Pfam Identifier Pfam Description Type Source
B PF02241 MCR_beta Methyl-coenzyme M reductase beta subunit, C-terminal domain Domain Methyl-coenzyme M reductase (MCR) is the enzyme responsible for microbial formation of methane. It is a hexamer composed of 2 alpha (Pfam:PF02249), 2 beta (this family), and 2 gamma (Pfam:PF02240) subunits with two identical nickel porphinoid active sites [1]. The C-terminal domain of MCR beta has an all-alpha fold with buried central helix. PFAM PF02241
C PF02240 MCR_gamma Methyl-coenzyme M reductase gamma subunit Domain Methyl-coenzyme M reductase (MCR) is the enzyme responsible for microbial formation of methane. It is a hexamer composed of 2 alpha (Pfam:PF02249), 2 beta (Pfam:PF02241), and 2 gamma (this family) subunits with two identical nickel porphinoid active sites [1]. PFAM PF02240
B PF02783 MCR_beta_N Methyl-coenzyme M reductase beta subunit, N-terminal domain Domain Methyl-coenzyme M reductase (MCR) is the enzyme responsible for microbial formation of methane. It is a hexamer composed of 2 alpha (Pfam:PF02249), 2 beta (this family), and 2 gamma (Pfam:PF02240) subunits with two identical nickel porphinoid active sites [1]. The N-terminal domain has an alpha/beta ferredoxin-like fold. PFAM PF02783
A PF02249 MCR_alpha Methyl-coenzyme M reductase alpha subunit, C-terminal domain Domain Methyl-coenzyme M reductase (MCR) is the enzyme responsible for microbial formation of methane. It is a hexamer composed of 2 alpha (this family), 2 beta (Pfam:PF02241), and 2 gamma (Pfam:PF02240) subunits with two identical nickel porphinoid active sites [1]. The C-terminal domain is comprised of an all-alpha multi-helical bundle. PFAM PF02249
A PF02745 MCR_alpha_N Methyl-coenzyme M reductase alpha subunit, N-terminal domain Domain Methyl-coenzyme M reductase (MCR) is the enzyme responsible for microbial formation of methane. It is a hexamer composed of 2 alpha (this family), 2 beta (Pfam:PF02241), and 2 gamma (Pfam:PF02240) subunits with two identical nickel porphinoid active sites [1]. The N-terminal domain has a ferredoxin-like fold. PFAM PF02745

Gene Product Annotation Gene Ontology Consortium Homepage

Chains Polymer Molecular Function Biological Process Cellular Component
A,D METHYL-COENZYME M REDUCTASE I ALPHA SUBUNIT (1HBM:A,D)
  • none
B,E METHYL-COENZYME M REDUCTASE I BETA SUBUNIT (1HBM:B,E)
  • none
C,F METHYL-COENZYME M REDUCTASE I GAMMA SUBUNIT (1HBM:C,F)
  • none
  • none
  • none

Protein Modification Annotation

Type PDB Residue Nr. Description