Structure of J77

bam po 1.
MW4CZ7445: 265a8
bam po 2.
MW4CZ7445: 278a4
bam po 3.
MW4CZ7445: 292b5
bam po 4.
MW4CZ7445: 305a4
bam po 5.
MW4CZ7445: 317a8