a beta-D-Gal-(1->4)-6-O-sulfo-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc derivative + 3'-phosphoadenylyl sulfate = a beta-D-Gal-(1->4)-6-O-sulfo-beta-D-GlcNAc-(1->3)-6-O-sulfo-beta-D-Gal-(1->4)-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-GlcNAc derivative + adenosine 3',5'-bisphosphate + H(+) — reaction