tokens: 5'-serially truncated PECAM-1 promoter segments cloned in front of a luciferase reporter drove transcription in both a lineage- and orientation-specific manner .
folded_tokens: 5'-serially truncated pecam-1 promoter segments cloned in front of a luciferase reporter drove transcription in both a lineage- and orientation-specific manner .
labels: B-DNA_domain_or_region I-DNA_domain_or_region B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O O