• Backbone structures are obtained using ProteinViewer, where N-terminal is colored red and C-terminal blue.
• In the images, the CA atoms with D2 code conflict are drawn as large black/white sphere.
  
• Click the images to view larger image.
• Click "Original" and "Rotated" for coordinate file.

Position of D2 code conflicts	Superposition by DaliLite		D2 code sequences
(1) 1hps Chain A
	Z-Score: 20.9 RMSD: 0.4A		Original --001R00R000000RRG0000000QBGR00000R0R000000000000QB000000000R00000RRG000000000R0R00000QAAAAABR000--                                            * Rotated  --001R00R000000RRG0000000QBGR0000030R000000000000QB000000000R00000RRG000000000R0R00000QAAAAABR000--
(2) 1a8g Chain A
	Z-Score: 21.6 RMSD: 0.2A		Original --001R00R000000RRG0000000QBGRG00000000000000000000R0000000003000R0RRG000000000R0R00000QBAAAABR000--                                 * Rotated  --001R00R000000RRG0000030QBGRG00000000000000000000R0000000003000R0RRG000000000R0R00000QBAAAABR000--
(3) 1zlf Chain B
	Z-Score: 22.2 RMSD: 0.2A		Original --001R00R000000RRG0000000QBGRG00000000000000000000R000000000R00000RR0000000000R0R00000QAAAAABR000--                                 * Rotated  --001R00R000000RRG00000R0QBGRG00000000000000000000R000000000R00000RR0000000000R0R00000QAAAAABR000--
(4) 2nph Chain A
	Z-Score: 22.0 RMSD: 0.3A		Original --001R00R000000RRG00000R0QBGR000000000000000000000R000000000R00000RR0000000000R0R00000QAAAAABR000--                                                                              * Rotated  --001R00R000000RRG00000R0QBGR000000000000000000000R000000000R00000RRG000000000R0R00000QAAAAABR000--

[The D² 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    (C-cap, large orange spheres)
• G = UDDDD    (Large green spheres)
• H = UDDDU
• I = UDDUD
• J = UDDUU
• O = UUDDD
• P = UUDDU
• Q = UUDUD    (N-cap, large orange spheres)
• R = UUDUU    (Turn, large yellow spheres)