The smallest of the three prokaryotic initiation factors with a molecular size of approximately 8 kD. It binds near the A-site of the 30S subunit of RIBOSOMES and may play a role in preventing premature addition of aminoacyl-tRNA-linked PEPTIDE ELONGATION FACTOR TU to the ribosome during the initiation of a peptide chain (PEPTIDE CHAIN INITIATION, TRANSLATIONAL).
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Initiation Factor-1, Prokaryotic — Prokaryotic Initiation Factor 1 — Peptide Initiation Factor IF-1 — Peptide Initiation Factor IF 1 — Prokaryotic Peptide Initiation Factor-1 — Prokaryotic Peptide Initiation Factor 1 — Initiation Factor IF-1 — IF-1, Initiation Factor — Initiation Factor IF 1 — Peptide Initiation Factor-1, Prokaryotic — Peptide Initiation Factor 1, Prokaryotic