6HUX

HmdII from Methanocaldococcus jannaschii reconstitued with Fe-guanylylpyridinol (FeGP) cofactor and co-crystallized with methenyl-tetrahydromethanopterin at 2.5 A resolution

External Resource: Annotation


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AHMDe6huxA2 A: alpha arraysX: 6-phosphogluconate dehydrogenase C-terminal domain-like (From Topology)H: 6-phosphogluconate dehydrogenase C-terminal domain-like (From Topology)T: 6-phosphogluconate dehydrogenase C-terminal domain-likeF: HMDECOD (1.6)
APRK00961e6huxA1 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: NAD(P)-binding Rossmann-fold domainsF: PRK00961ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF22616HMD N-terminal domain (HMD_N)HMD N-terminal domainThis entry represents the N-terminal domain of 5,10-methenyltetrahydromethanopterin hydrogenase (HMD) and related proteins, an enzyme of the methanogenic energy metabolism [1-5]. HMD is an iron-sulphur-cluster-free enzyme that contains an intrinsic C ...This entry represents the N-terminal domain of 5,10-methenyltetrahydromethanopterin hydrogenase (HMD) and related proteins, an enzyme of the methanogenic energy metabolism [1-5]. HMD is an iron-sulphur-cluster-free enzyme that contains an intrinsic CO ligand bound to iron. This domain has a Rossmann fold-like structure that contains a mononucleotide-binding site, which could harbour the GMP moiety of the cofactor [1-5].
Domain
PF03201H2-forming N5,N10-methylene-tetrahydromethanopterin dehydrogenase (HMD)H2-forming N5,N10-methylene-tetrahydromethanopterin dehydrogenase- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
H(2)-forming methylenetetrahydromethanopterin dehydrogenase-related protein MJ1338 - -

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR038182HMD, C-terminal domain superfamilyHomologous Superfamily
IPR024190Methenyltetrahydromethanopterin dehydrogenase, Hmd-typeFamily
IPR036291NAD(P)-binding domain superfamilyHomologous Superfamily
IPR010063H(2)-forming methylenetetrahydromethanopterin dehydrogenase-related proteinFamily
IPR004889H2-forming N5,N10-methylenetetrahydromethanopterin dehydrogenase, C-terminalDomain
IPR0089276-phosphogluconate dehydrogenase-like, C-terminal domain superfamilyHomologous Superfamily