pdb: parse truncated ATOM/HETATM records
pdb: parse truncated ATOM/HETATM records

PDB files from C-I-TASSER have short lines such as:

ATOM     30  CE1 HIS     2      34.900  44.339  58.095

as reported at https://github.com/steineggerlab/foldseek/issues/6

project-gemmi/gemmi,project-gemmi/gemmi,project-gemmi/gemmi,project-gemmi/gemmi