Additional Protein Families

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Protein family Description Reference
ABA3 ABA3 is a noncanonical sesquiterpene synthase involved in the biosynthesis of abscisic acid in fungi. Ref.
ACP_PCP Acyl carrier protein (ACP) or peptidyl carrier protein (PCP) domains found in fungal polyketide synthases (PKSs) and nonribosomal peptide synthetases (NRPSs).
AnkA AnkA is an arginine-containing cyclodipeptide synthase (RCDPS) that shows no sequence similarity with nonribosomal peptide synthases. Its homologues have been identified in many fungal species. Ref.
AnkG AnkG is an ATP-grasp enzyme for NK13650 C biosynthesis. Ref.
AsR5 AsR5 is a hetero Diels–Alderase involved in the biosynthesis of xenovulene A. Ref.
AsR6 AsR6 is a noncanonical sesquiterpene synthase involved in the biosynthesis of xenovulene A and cyclizes farnesyl pyrophosphate (FPP) into humulene. Ref.
AstC AstC is a noncanonical class II sesquiterpene synthase responsible for astellolide biosynthesis and forms drimanyl pyrophosphate. Ref.
ATEG_03636 ATEG_03636 is involved in the biosynthesis of azasperpyranone A and is proposed to be responsible for the heterodimerization of preasperpyranone and a polyketide-derived aromatic aldehyde. Ref.
AtnE AtnE is a transcription factor for arthripenoid biosynthesis. Ref.
BfL6 BfL6 is a ketosteroid isomerase-like protein, which is involved in the hybridization of butenyl carboxymethyl maleic anhydride and its decarboxylated form to yield byssochlamic acid. Ref.
BfL8 BfL8 is a putative regulatory protein for byssochlamic acid biosynthesis. Ref.
CalD CalD is an acyltransferase involved in the biosynthesis of calbistrin A and performs esterification of the decalin and polyene portions. Ref.
CghF CghF is a transcription factor for Sch 210972 biosynthesis. Ref.
Clz3 Clz3 is a copper-dependent oxygenase involved in the biosynthesis of zaragozic acid A. The enzyme is homologous to MfM1 responsible for squalestatin biosynthesis. Ref.Ref.
Clz7 Clz7 is a transcription factor for zaragozic acid A biosynthesis. Ref.
CosA CosA is an unusual UbiA-like prenyltransferase for cosmosporaside biosynthesis. Ref.
Cp1D Cp1D is an amide bond synthetase for CPI-2 biosynthesis. Ref.
CpaE CpaE is a transcription factor for curvupallide biosynthesis. Ref.
CtvD CtvD is an epoxide hydrolase involved in the biosynthesis of citreoviridin. Its homologues with an unknown function (e.g., PaxA) are often encoded by indole diterpenoid biosynthetic gene clusters. Ref.
EcdJ EcdJ is a hypothetical protein encoded by the echinocandin B biosynthetic gene cluster. Ref.
EfHP EfHP1, EfHP2, and EfHP3 are all hypothetical proteins encoded by the elsinochrome biosynthetic gene cluster. Ref.
ElcH ElcH is a berberine bridge enzyme-like oxidase involved in the biosynthesis of elsinochrome A and responsible for the coupling of two naphthol derivatives in collaboration with another enzyme ElcG. Ref.
EqxR EqxR is a transcription factor for equisetin biosynthesis. Ref.
FncF FncF is a short-chain dehydrogenase/reductase involved in the biosynthesis of funiculolide D and serves as an enoylreductase. Ref.
fPKS_DH Dehydratase (DH) domain found in fungal polyketide synthases (PKSs). DH domains are observed in highly reducing (HR)-PKSs.
fPKS_ER Enoylreductase (ER) domain found in fungal polyketide synthases (PKSs).
fPKS_KR Ketoreductase (KR) domain found in fungal polyketide synthases (PKSs).
fPKS_PT Product template (PT) domain found in fungal polyketide synthases (PKSs). PT domains are observed in non-reducing reducing (NR)-PKSs and show sequence similarity with DH domains.
fPKS_R Reductase (R) domain found in fungal polyketide synthases (PKSs) and nonribosomal peptide synthetases (NRPSs). This protein family includes Dieckmann condensation (DKC) domains found at the C-terminus of fungal PKS-NRPS hybrid enzymes.
fPKS_TH Thiohydrolase (TH) domain found in fungal polyketide synthases (PKSs). TH domains are observed in partially reducing (PR)-PKSs and show sequence similarity with DH domains.
FPSE_09189 FPSE_09189 is a putative transcription factor for W493 B biosynthesis. Ref.
FrzJ FrzJ is a phosphotransferase involved in the biosynthesis of FR901483. Ref.
Fsa2 Fsa2 is a Diels-Alderase involved in the biosynthesis of fusarisetin A and forms the decalin ring system. Ref.
FscB FscB is a transcription factor for fusarochromene biosynthesis. Ref.
GGPS This protein family mainly includes geranylgeranyl pyrophosphate (GGPP) synthase (GGPS) but also contains other polyprenyl pyrophosphate synthases.
GliK GliK is a γ-glutamyl cyclotransferase-like enzyme that removes the γ-glutamyl moieties in gliotoxin biosynthesis. Ref.
GliN GliN is an N-methyltransferase involved in the biosynthesis of gliotoxin. Ref.
GsfR1 GsfR1 is a transcription factor for griseofulvin biosynthesis. Ref.
HimD HimD is a transcription factor for himeic acid A biosynthesis. Ref.
LcsT LcsT is a short-chain dehydrogenase/reductase encoded by the leucinostatin A biosynthetic gene cluster. Ref.
LolU LolU is a transcription factor for N-formylloline biosynthesis. Ref.
LtmS LtmS is a hypothetical protein encoded by the lolitrem B biosynthetic gene cluster. Ref.
MdpA MdpA is a transcriptional coactivator for shamixanthone biosynthesis. Ref.
NRPS_C Condensation (C) domain found in fungal nonribosomal peptide synthetases (NRPSs).
NRPS_E Epimerization (E) domain found in fungal nonribosomal peptide synthetases (NRPSs). E domains show sequence similarity with C domains.
NRPS_CT Terminal condensation domain (CT) domain found in fungal nonribosomal peptide synthetases (NRPSs). CT domains are often found at the C-terminus of fungal NRPSs and are responsible for peptide chain release by macrocyclization, hydrolysis, or further incorporation of an amino acid.
NvfI NvfI is an Fe(II)/α-ketoglutarate-dependent dioxygenase that performs endoperoxidation in the biosynthesis of novofumigatonin. Ref.
OphC OphC is a hypothetical protein encoded by the omphalotin biosynthetic gene cluster. Ref.
OtaR1 OtaR1 is a transcription factor for ochratoxin A biosynthesis. Ref.
PatF PatF is one of the biosynthetic enzymes of patulin and converts phyllostine to neopatulin. Ref.
PatJ PatJ is a cupin domain-containing protein involved in the biosynthesis of patulin and is predicted to be responsible for the transformation of gentisaldehyde to isoepoxydon. Ref.
PaxC PaxC is an isoprenyl pyrophosphate synthase (IPPS)-like geranylgeranyltransferase involved in the biosynthesis of paxilline. PaxC accepts glyceraldehyde 3-phosphate and geranylgeranyl pyrophosphate as substrates to yield 3-geranylgeranyl indole (GGI). Ref.
PbcA PbcA is a bifunctional diterpene synthase that performs both class I and class II cyclizations to yield ent-pimara-8(14),15-diene. Ref.
PenF PenF performs cationic epoxide rearrangement in the biosynthesis of penigequinolone. Ref.
PfB PfB is a pericyclase involved in the biosynthesis of (–)-PF1018. Ref.
PhomB PhomB is a hypothetical protein encoded by the phomopsin A biosynthetic gene cluster. Ref.
PKS_NRPS_MT Methyltransferase (MT) domain found in fungal polyketide synthases (PKSs) and nonribosomal peptide synthetases (NRPSs).
PydY PydY is a hypothetical protein encoded by the pyrrocidine biosynthetic gene cluster and is proposed to catalyze the Diels-Alder reaction. Ref.
Pyr4 Pyr4 is a noncanonical transmembrane terpene cyclase involved in the biosynthesis of pyripyropene A. Its homologues are responsible for the production of diverse microbial meroterpenoids, including polyketide-terpenoid hybrids and indole diterpenoids. Ref.
SalTPS SalTPS is a noncanonical terpene synthase from Streptomyces alanosinicus. Its homologues have been found in fungi, although their functions have yet to be experimentally investigated. Ref.
SAT2 Starter-unit acyltransferase (SAT) domain found in fungal nonreducing polyketide synthases (NR-PKSs).
SdnJ SdnJ is a glycosyltransferase involved in the biosynthesis of hypoxysordarin. Ref.
SmbD SmbD is a short-chain dehydrogenase/reductase involved in the biosynthesis of (-)-sambutoxin and is proposed to serve as a ketoreductase. Ref.
Spd14 Spd14 is a transporter for sporidesmin biosynthesis. Ref.
SrdD SrdD is a cupin domain-containing protein involved in the biosynthesis of sordarial. Some members of this protein family are predicted to serve as a polyketide cyclase (aromatase) in fungal alkyl salicylaldehyde biosynthesis. Ref.
TdiC TdiC is a medium-chain dehydrogenase/reductase involved in the biosynthesis of terrequinone A. Ref.
TqaK TqaK is a transcription factor for tryptoquialanine biosynthesis. Ref.
Tri6 Tri6 is a transcription factor for trichothecene biosynthesis. Ref.
Tri14 Tri14 is a hypothetical protein encoded by the trichothecene biosynthetic gene cluster. Ref.
Trt5 Trt5 is a methyltransferase involved in the biosynthesis of terretonin and methylates the carboxy group of farnesyl-DMOA. Ref.
Trt14 Trt14 is an isomerase involved in the biosynthesis of terretonin and achieves ring expansion reaction in collaboration with another enzyme Trt6. Ref.
TwmC TwmC is a G protein-coupled receptor (GPCR)-like protein encoded by the wortmanamide biosynthetic gene cluster. Ref.
UbiA_PT This protein family includes UbiA-like prenyltransferases that are involved in the biosynthesis of diverse fungal meroterpenoids.
UbiA_TC This protein family includes UbiA-like terpene cyclases, as represented by Fma-TC responsible for fumagillin biosynthesis. Ref.
VicY The biosynthetic gene clusters of victorins encode several VicY proteins. This protein family includes VicY proteins that contain two “HXXHC” motifs, which are characteristic of the DUF3328 domain-containing proteins, although the DUF3328 domain is not found in these proteins. Ref.
VidS VidS is a dehydratase involved in the biosynthesis of demethoxyviridin and performs dehydration reaction to form the furan ring system. Ref.
VrtF VrtF is an O-methyltransferase involved in the biosynthesis of viridicatumtoxin. Ref.
XenC XenC is involved in the biosynthesis of xenoacremone A and is proposed to catalyze the paracyclophane ether formation. Ref.
XenD XenD is proposed to serve as hydroxylase/epoxidase in the biosynthesis of xenoacremone A. Ref.