Interfaces > The number of contact pairs of Secondary structures

Dimer Interface classification

Class	Fold	Number of chains
All alpha proteins All alpha proteins	Terpenoid synthases Terpenoid synthases	4
All beta proteins All beta proteins	Single-stranded right-handed beta-helix Single-stranded right-handed beta-helix	2
Alpha and beta proteins (a+b) Alpha and beta proteins (a+b)	Cysteine proteinases Cysteine proteinases	2
Alpha and beta proteins (a/b) Alpha and beta proteins (a/b)	(Phosphotyrosine protein) phosphatases II (Phosphotyrosine protein) phosphatases II	2
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)	TIM beta/alpha-barrel TIM beta/alpha-barrel	30
Not classified Not classified	Not classified Not classified	12

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