def parse_atom_seq
import bend-prot@0.1.0.0/pdb.bend as Pdbimport Base
import bend-prot@0.1.0.0/protein.bend as P
269def parse_atom_seq(serial: U32, ch: U32, ms: Maybe<&2, Nat>, xs: String, ys: String, zs: String, elem_s: String, name_s: String) -> Maybe<&1, U32 & Nat & P.Atom>:
270 match ms:
271 case None{}:
272 None{}
273 case Some{seq}:
274 parse_atom_x(serial, ch, seq, parse_f32(String.trim(xs)), ys, zs, elem_s, name_s)