PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 147874-2 1978 At or near a fork in duplex DNA, rep ATPase action is different from what it is on DNA lacking secondary structure (single-stranded): (i) Km for ATP is lower, (ii) specificity is for ATP and dATP with no action on other nucleoside triphosphates, (iii) sensitivity to certain ATP analogs is reduced, (iv) presence of a DNA-nicking enzyme (e.g. cistron A protein induced by phiX174) is required, and (v) Escherichia coli DNA binding protein facilitates rather than inhibits. 2'-deoxyadenosine triphosphate 191-195 replication protein Escherichia coli 33-36