negative regulation of polyamine transmembrane transport
down regulation of polyamine transmembrane transport
exact
down-regulation of polyamine transmembrane transport
exact
downregulation of polyamine transmembrane transport
exact
inhibition of polyamine transmembrane transport
narrow
Any process that stops, prevents or reduces the frequency, rate or extent of polyamine transmembrane transport.
GO:0034763
negative regulation of transmembrane transport
is_a
GO:1902267
regulation of polyamine transmembrane transport
is_a
GO:1902047
polyamine transmembrane transport
negatively_regulates