_EC 2.1.2.- Hydroxymethyl-, formyl- and related transferases. 168 PDB entries  
EC 2.-.-.- Transferases. [19,198 PDB entries]
EC 2.1.-.- Transferring one-carbon groups. [1,791 PDB entries]
EC 2.1.2.- Hydroxymethyl-, formyl- and related transferases. [168 PDB entries]    
EC 2.1.2.1 Glycine hydroxymethyltransferase. [70 PDB entries]
EC 2.1.2.2 Phosphoribosylglycinamide formyltransferase. [37 PDB entries]
EC 2.1.2.3 Phosphoribosylaminoimidazolecarboxamide formyltransferase. [16 PDB entries]
EC 2.1.2.4 Glycine formimidoyltransferase. [-]
EC 2.1.2.5 Glutamate formimidoyltransferase. [3 PDB entries]
EC 2.1.2.6 Transferred entry: 2.1.2.5. [-]
EC 2.1.2.7 D-alanine 2-hydroxymethyltransferase. [-]
EC 2.1.2.8 Deoxycytidylate 5-hydroxymethyltransferase. [3 PDB entries]
EC 2.1.2.9 Methionyl-tRNA formyltransferase. [10 PDB entries]
EC 2.1.2.10 Aminomethyltransferase. [13 PDB entries]
EC 2.1.2.11 3-methyl-2-oxobutanoate hydroxymethyltransferase. [6 PDB entries]
EC 2.1.2.12 Transferred entry: 2.1.1.74. [-]
EC 2.1.2.13 UDP-4-amino-4-deoxy-L-arabinose formyltransferase. [10 PDB entries]
EC 2.1.2.n1 Transferred entry: 2.1.2.13. [-]

[-] signifies that there are no PDB entries for the given enzyme subclass