Genetics & Biology · The Living Address · Paper 5 of 23

Transcription Termination and RNA Processing

The Clock and the Cut

The register clock · ~60 nt/s · the 3-clamp/2-clamp terminator · the cap and the cut

Stephen Daubney · The Daubney Foundation

Elongation ≈ 60 nt/sRate set by temperature = Τ-densityTerminator = GC-hairpin + U-run7 rRNA operons

The biology

Transcription elongates at a fixed average rate — about 60 nucleotides per second in the bacterium — and that rate is independent of how fast the cell is growing; only initiation is regulated. Termination without a helper protein uses a GC-rich hairpin followed by a run of U's: the weak U:A hybrid lets the polymerase release. Eukaryotic transcripts are capped at the 5′ end, spliced to remove introns, and given a poly-A tail.

One clock, set by the density of time

The fixed ~60 nt/s is one register clock — temperature read as Τ-density — the same clock that paces replication and translation. Warmth is not molecular jostling that speeds collisions; it is the availability of time in which the work is done, and the tempo is a property of the register, not of the gene. The terminator hairpin is switched by the {2,3} clamps again — a strong three-bond stem and a weak two-bond U:A run — the cut made where the clamp is weakest.

HEAT IS TIME
The elongation rate is a register-clock: one tempo for copying, transcription (~60 nt/s) and translation (~20 aa/s), set by the density of time, not by kinetics of collision.

Where this departs from current science

Current science saysThe Force of Time says
Elongation rate is a kinetic rate constant of the enzyme.It is one register-clock — temperature as Τ-density — shared across copying, transcription and translation.
Termination hairpins are sequence-dependent thermodynamics.The cut is made at the weak {2}-clamp (U:A) below the strong {3}-clamp (GC) stem.

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