_EC 2.-.-.- Transferases. 47,929 PDB entries  
EC 2.-.-.-
Transferases.
Transferases are enzymes that transfer a group (eg a methyl or glycosyl group) from one compound (which is generally regarded as the donor) to another compound (generally regarded as the acceptor).

The E.C. classification for these enzymes classifies them firstly by the donor group, then by the acceptor, and lastly by the enzyme.

The recommended names are normally formed as: acceptor-group transferase, or donor-group transferase. in many cases the donor is a cofactor (coenzyme) charged with the group to be transferred.

See also: [IUBMB] (Enzyme Nomenclature)

EC 2.-.-.- Transferases. [47,929 PDB entries]
EC 2.1.-.- Transferring one-carbon groups. [5,200 PDB entries]
EC 2.2.-.- Transferring aldehyde or ketonic groups. [283 PDB entries]
EC 2.3.-.- Acyltransferases. [6,172 PDB entries]
EC 2.4.-.- Glycosyltransferases. [3,864 PDB entries]
EC 2.5.-.- Transferring alkyl or aryl groups, other than methyl groups. [2,655 PDB entries]
EC 2.6.-.- Transferring nitrogenous groups. [1,044 PDB entries]
EC 2.7.-.- Transferring phosphorus-containing groups. [28,182 PDB entries]
EC 2.8.-.- Transferring sulfur-containing groups. [451 PDB entries]
EC 2.9.-.- Transferring selenium-containing groups. [18 PDB entries]
EC 2.10.-.- Transferring molybdenum- or tungsten-containing groups. [60 PDB entries]