A region at which the centric regions of polytene chromosomes are joined together.

A swelling at a site along the length of a polytene chromosome, thought to be the site of active transcription.

A stretch of densely packed chromatin along the polytene chromosome, visible as a morphologically distinct band.

A stretch of less tightly packed chromatin along the polytene chromosome, found between bands.

transferase activity, transferring phosphorus-containing groups

Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to another (acceptor).

phosphotransferase activity, alcohol group as acceptor

Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to an alcohol group (acceptor).

phosphotransferase activity, carboxyl group as acceptor

Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to a carboxyl group (acceptor).

phosphotransferase activity, nitrogenous group as acceptor

Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to a nitrogenous group (acceptor).

phosphotransferase activity, phosphate group as acceptor

Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to a phosphate group (acceptor).

Catalysis of the reaction: L-selenocysteine + reduced acceptor = hydrogen selenide + L-alanine + acceptor.

Catalysis of the transfer of a diphosphate group from one compound (donor) to a another (acceptor).

Catalysis of the transfer of a nucleotidyl group to a reactant.

Catalysis of the cleavage of a signal peptide from a protein precursor.

Catalysis of the reaction: S-adenosyl-L-methionine + DNA adenine = S-adenosyl-L-homocysteine + DNA 6-methylaminopurine.

Catalysis of the transfer of a methyl group to a DNA molecule.

oxidoreductase activity, acting on superoxide radicals as acceptor

Catalysis of an oxidation-reduction (redox) reaction in which a superoxide radical (O2- or O2.-) acts as a hydrogen or electron acceptor.

oxidoreductase activity, oxidizing metal ions