Non-proline kink

[Non-proline kink]

Fragments are given by their PDB code, (chain number,) and the PDB residue number of the first position in the fragment.
The PDB style files of the fragments contain the neighbouring two residues for each terminal.
Backbone structures are obtained using ProteinViewer, where N-terminal is colored red and C-terminal blue.
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Rough characterization of the DSSP code, the PB label, and the 5-tile code is given below.

Fragment	Backbone structure	Amino acid sequence DSSP code sequence 5-tile code sequence PB sequence
1ap9 16		ALGTALMGLGTLYFLVK HHHHHHHTTHHHHHHHH --AAAAAAHAAAAAA-- --MMMMMMMLMMMMM--
1be3 A 330		HMSIDDMMFVLQGQWMR TTTHHHHHHHHHHHHHH --HQAAAA9AAAAAA-- --MMMMMMMMMMMMM--
1be3 C 123		LTVMATAFMGYVLPWGQ HHHHHHHHHHTTTT.BH --AAAAAAIAAAABR-- --MMMMMMMLMMNOP--

[The DSSP code]

H = alpha helix
B = residue in isolated beta-bridge
E = extended strand, participates in beta ladder
G = 3-helix (3/10 helix)
I = 5 helix (pi helix)
T = hydrogen bonded turn
S = bend
_ = no assigned structure

[The PB label]

A = N-cap beta
B = N-cap beta
C = N-cap beta
D = beta
E = C-cap beta
F = C-cap beta
G = mainly coil
H = mainly coil
I = mainly coil
J = mainly coil
K = N-cap alpha
L = N-cap alpha
M = alpha
N = C-cap alpha
O = C-cap alpha
P = C-cap alpha to N-cap beta

[The 5-tile code]

0 = DDDDD (extended strand, small blue spheres)
1 = DDDDU
2 = DDDUD
3 = DDDUU
8 = DUDDD
9 = DUDDU
A = DUDUD (helix, large red spheres)
B = DUDUU (turn, large yellow spheres)
G = UDDDD
H = UDDDU
I = UDDUD
J = UDDUU
O = UUDDD
P = UUDDU
Q = UUDUD (turn, large yellow spheres)
R = UUDUU (turn, large yellow spheres)