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BPT4:SEGB

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Qualifier GO ID GO term name Reference ECO ID ECO term name with/from Aspect Extension Notes Status

public

GO:0004520

endodeoxyribonuclease activity

PMID:18281701

ECO:0000314

F

The T4 SegB protein is a site-specific endonuclease that recognizes a 27-bp sequence. 666 bp segB ORF was placed under the control of T7 promoter in pET-15b vector. SegB protein was overproduced in E. coli T7 lac promoter system and purified. The purified protein was incubated with a linear plasmid DNA and products were analyzed of the reaction through gel electrophoresis (Figure 3). SegB cleaved DNA by introducing double-strand breaks in reactions requiring Mg2+, Mn2+, or Ca2+ cations. With Mg2+ and Ca2+ cation, SegB cleaved the DNA at 1 point, creating 2.2 kb and 1.6 kb fragments. In the presence of Mn2+, multiple cleavage sites were present.

complete
CACAO 13238

protected

involved_in

GO:0090305

nucleic acid phosphodiester bond hydrolysis

GO_REF:0000108

ECO:0000366

evidence based on logical inference from automatic annotation used in automatic assertion

GO:0004519

P

Seeded From UniProt

complete

protected

involved_in

GO:0090305

nucleic acid phosphodiester bond hydrolysis

GO_REF:0000108

ECO:0000366

evidence based on logical inference from automatic annotation used in automatic assertion

GO:0004518

P

Seeded From UniProt

complete

protected

enables

GO:0004519

endonuclease activity

GO_REF:0000037

ECO:0000322

imported manually asserted information used in automatic assertion

UniProtKB-KW:KW-0255

F

Seeded From UniProt

complete

protected

enables

GO:0016787

hydrolase activity

GO_REF:0000037

ECO:0000322

imported manually asserted information used in automatic assertion

UniProtKB-KW:KW-0378

F

Seeded From UniProt

complete

protected

enables

GO:0004518

nuclease activity

GO_REF:0000037

ECO:0000322

imported manually asserted information used in automatic assertion

UniProtKB-KW:KW-0540

F

Seeded From UniProt

complete




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