1U3F
Structural and Functional Characterization of a 5,10-Methenyltetrahydrofolate Synthetase from Mycoplasma pneumoniae (GI: 13508087)
External Resource: Annotation
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
A | d1u3fa_ | Alpha and beta proteins (a/b) | NagB/RpiA/CoA transferase-like | NagB/RpiA/CoA transferase-like | Methenyltetrahydrofolate synthetase | 5,10-methenyltetrahydrofolate synthetase homolog MPN348 | (Mycoplasmoides pneumoniae ) [TaxId: 2104 ], | SCOPe (2.08) |
B | d1u3fb_ | Alpha and beta proteins (a/b) | NagB/RpiA/CoA transferase-like | NagB/RpiA/CoA transferase-like | Methenyltetrahydrofolate synthetase | 5,10-methenyltetrahydrofolate synthetase homolog MPN348 | (Mycoplasmoides pneumoniae ) [TaxId: 2104 ], | SCOPe (2.08) |
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
Domain Annotation: ECOD Classification ECOD Database Homepage
Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
A | 5-FTHF_cyc-lig | e1u3fA1 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NagB/RpiA/CoA transferase-like | F: 5-FTHF_cyc-lig | ECOD (1.6) |
B | 5-FTHF_cyc-lig | e1u3fB1 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: NagB/RpiA/CoA transferase-like | F: 5-FTHF_cyc-lig | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
---|---|---|---|---|---|---|
A | 3.40.50.10420 | Alpha Beta | 3-Layer(aba) Sandwich | Rossmann fold | NagB/RpiA/CoA transferase-like | CATH (4.3.0) |
B | 3.40.50.10420 | Alpha Beta | 3-Layer(aba) Sandwich | Rossmann fold | NagB/RpiA/CoA transferase-like | CATH (4.3.0) |
Protein Family Annotation Pfam Database Homepage
Chains | Accession | Name | Description | Comments | Source |
---|---|---|---|---|---|
PF01812 | 5-formyltetrahydrofolate cyclo-ligase family (5-FTHF_cyc-lig) | 5-formyltetrahydrofolate cyclo-ligase family | - | Family |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
Chains | Accession | Name | Type |
---|---|---|---|
IPR024185 | 5-formyltetrahydrofolate cyclo-ligase-like domain superfamily | Homologous Superfamily | |
IPR037171 | NagB/RpiA transferase-like | Homologous Superfamily | |
IPR002698 | 5-formyltetrahydrofolate cyclo-ligase | Family |
Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage
Chains | Enzyme Name | Description | Catalytic Residues |
---|---|---|---|
5-formyltetrahydrofolate cyclo-ligase M-CSA #541 | Tetrahydrofolates (THFs) are cofactors that donate or accept single carbon units in metabolic processes. 5,10-methenyltetrahydrofolate synthetase (MTHFS) is the only known enzyme to use 5-formylTHF. MTHFS catalyses tbe conversion of 5-formyTHF to 5,10-methenylTHF coupled to the hydrolysis of ATP to ADP in the presence of magnesium. | Defined by 3 residues: ARG:A-140 [auth A-115]ASP:A-149 [auth A-124]ASP:A-179 [auth A-154] | EC: 6.3.3.2 (PDB Primary Data) |