From: pi-Turns: types, systematics and the context of their occurrence in protein structures
π-turn | Multiple β-turns with their designationsa |
---|---|
Ï€-HB | |
AAAa (350) | I-I-X (270), X-I-X (60), I-X-X (17) |
PgAA (52) | II-X-X (40), II-X-I (8), X-X-I (1) |
AAAA (33) | I-X-X (21), I-I-X (6), I-I-I (2), X-I-I (1), X-I-X (1) |
Ï€-NHB | |
AEAA (316) | X-X-I (253), VIII-X-I (45), VIII-X-X (4), X-VIa2-I (1) |
EAAa (281) | X-I-X (270) |
EAAA (219) | X-I-I (156), X-I-X (44), X-X-I (12) |
EAAE (176) | X-I-X (130), X-I-VIII (16), VIa1-X-VIII (1), VIa1-I-X (1) |
AAaA (171) | I-X-X (146) |
AEEa (167) | X-X-II (131), VIII-X-II (20), X-VIb-II (1) |