Top Level Name

  ⌊ Superfamily (core) Radical SAM

    ⌊ Subgroup BATS domain containing

Family known
Total 100% <100% Family unknown
Functional domains 8239 5779 0 2460
UniProtKB 6 0 0 6
GI 14 0 0 14
Structures 25
Reactions 0
Functional domains of this subgroup were last updated on June 25, 2017
New functional domains were last added to this subgroup on Oct. 7, 2014

The Biotin and thiamin synthesis-associated domain (BATS, IPR010722) is found as part of the functional domain in all members of this subgroup. It is especially associated with Biotin Synthase (BioB) and 2-iminoacetate synthase (ThiH), the latter of which is associated with thiamin biosynthesis. It is not completely clear exactly what the role of this domain is yet, it maybe involved in co-factor binding or dimerisation. All members of this subgroup also have secondary iron-sulfur clusters.

Vey JL, Drennan CL.

Structural insights into radical generation by the radical SAM superfamily

▸ Abstract

Chem Rev. 2011;111(4):2487-2506 | PubMed ID: 21370834

Phalip V, Lemoine Y, Jeltsch JM.

Cloning of Schizosaccharomyces pombe bio2 by heterologous complementation of a Saccharomyces cerevisiae mutant

▸ Abstract

Curr Microbiol. 1999;39(6):348-350 | PubMed ID: 10525840

Lotierzo M, Tse Sum Bui B, Florentin D, Escalettes F, Marquet A.

Biotin synthase mechanism: an overview

▸ Abstract

Biochem Soc Trans. 2005;33(4):820-823 | PubMed ID: 16042606

Quitterer F, List A, Eisenreich W, Bacher A, Groll M.

Crystal structure of methylornithine synthase (PylB): insights into the pyrrolysine biosynthesis

▸ Abstract

Angew Chem Int Ed Engl. 2012;51(6):1339-1342 | PubMed ID: 22095926

Nicolet Y, Rubach JK, Posewitz MC, Amara P, Mathevon C, Atta M, Fontecave M, Fontecilla-Camps JC.

X-ray structure of the [FeFe]-hydrogenase maturase HydE from Thermotoga maritima

▸ Abstract

J Biol Chem 2008;283(27):18861-18872 | PubMed ID: 18400755

Family members of this subgroup include:

Biotin synthase (BioB) catalyses the final step in the biosynthesis of the cofactor biotin. It requires both S-adenosylmethionine, a [4Fe-4S] and a [2Fe-2S] cluster. The [2Fe-2S] cluster is the source of the sulfur that is inserted between the C6 and C8 of dithiobiotin. BioB utilises two molecules of SAM for each catalytic turnover and is stoichiometric in its use of SAM. AN electron transfer system is also required for catalytic activity. In E. coli, this is NADPH, flavodoxin and flavodoxin reductase.

HmdB represents a family of enzymes that are involved in the construction of the metallo-cofactor HmdA. They do not have the canonical CxxxCxxC motif, instead having a CX5CX2C motif.

HydE represents a family of enzymes that are involved in the maturation of the [FeFe]-hydrogenase active site, the exact role of this family of proteins is unknown, bur thought to be involved in the formation and incorporation of the -C#N and C#O ligands.

PylB (methylornithine synthase) represents a family of enzymes that are responsible for the first enzyme in the synthesis of pyrrolysine.

ThiH

NosL

HydG

Static File Downloads

File Name Description Parameters Stats
repnet.sg1060.th50.pE20.mek250.xgmml Representative network: each node is a group of similar sequences node similarity threshold = 50
max edge count = 250
min -log10 E = 20
size = 9.2M
num_edges = 13744
num_nodes = 285
sfld_alignment_sg1060.msa Annotated Sequence Alignment, Stockholm format 254 sequences
size: 159K

Total number of functional domains in this group.
Number of Functional Domains that have been manually or automatically been assigned to a family.
Number of Functional Domains that have not been assigned to a family.
Number of structures available from the PDB for members of this group.
Number of Functional Domains with 100% of Conserved Residues
Number of Functional Domains with less than 100% Conserved Residues
Subgroup ▸ Legend T K C U S
BATS domain containing 8239 5779 5779 2460 25
┗ 1: biotin synthase like 5006 3245 3245 1761 1
┗ biotin synthase 3245 3245 3245 1
┗ 1: cleavage of the Ca-Cb bond in aromatic amino acids 2304 2231 2231 73 4
┗ 2-iminoacetate synthase (ThiH) 1523 1523 1523 0
┗ 3-methyl-2-indolic acid synthase (NosL) 5 5 5 0
┗ [Fe] hydrogenase maturase (HydG-like) 703 703 703 0
┗ 1: HMD cofactor maturase (HmdB-like) 39 39 39 0 0
┗ HMD cofactor maturase (HmdB-like) 39 39 39 0
┗ 1: HydE/PylB-like 886 264 264 622 20
┗ 3-methylornithine synthase (PylB-like) 42 42 42 1
┗ [FeFe] hydrogenase maturase (HydE-like) 222 222 222 10
Depth of the multi-level Subgroup hierarchy.