Defined in file mmdb1.asn
C++ class: CIntra_residue_bond
Intra-residue-bond ::= SEQUENCE {
atom-id-1 Atom-id,
atom-id-2 Atom-id,
bond-order INTEGER {
single(1),
partial-double(2),
aromatic(3),
double(4),
triple(5),
other(6),
unknown(255)} OPTIONAL }