def elem_2
import bend-prot@0.1.0.0/pdb.bend as Pdbimport Base
187def elem_2(h: Char, h2: Char) -> U32:
188 match h h2:
189 case 'F' 'E':
190 26
191 case 'Z' 'N':
192 30
193 case 'C' 'A':
194 20
195 case 'M' 'G':
196 12
197 case 'M' 'N':
198 25
199 case 'N' 'A':
200 11
201 case 'C' 'L':
202 17
203 case 'C' 'U':
204 29
205 case _ _:
206 0