Human serum albumin (1AO6)
UDP N-acetylglucoseamine acyltransferase (1LXA)
Mannose-specific agglutinin (1JPC)
Human ubiquitin-conjugating enzyme (1U9A)
Leucine zipper of GCN4 (2ZTA)
Transmembrane beta barrel (2JMM)
Lac repressor bound to operator DNA (1EFA)