Interfaces > The number of contact pairs of Secondary structures

Dimer Interface classification

Class	Fold	Number of chains
All alpha proteins All alpha proteins	DNA/RNA-binding 3-helical bundle DNA/RNA-binding 3-helical bundle	2
All alpha proteins All alpha proteins	HD-domain/PDEase-like HD-domain/PDEase-like	4
All alpha proteins All alpha proteins	Terpenoid synthases Terpenoid synthases	4
Alpha and beta proteins (a/b) Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases P-loop containing nucleoside triphosphate hydrolases	2
Alpha and beta proteins (a/b) Alpha and beta proteins (a/b)	PFL-like glycyl radical enzymes PFL-like glycyl radical enzymes	6
Alpha and beta proteins (a/b) Alpha and beta proteins (a/b)	TIM beta/alpha-barrel TIM beta/alpha-barrel	30
Membrane and cell surface proteins and peptides Membrane and cell surface proteins and peptides	Clc chloride channel Clc chloride channel	24
Not classified Not classified	Not classified Not classified	48

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