Interaction class
Class:  H-Bb H-Mj L-Bb L-Mn 
Description: Conserved protein-DNA contacts are provided by helix(es) (H) with DNA backbone atoms (Bb), helix(es) (H) with the major groove of DNA (Mj), loop(s) (L) with DNA backbone atoms (Bb), loop(s) (L) with the minor groove of DNA (Mn).
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SCOP Domain Family Number of structures Number of domains Interaction modes Ax-bend MnG width MnG depth MjG width MjG depth
Lambda integrase-like, catalytic core
(d.163.1.1)
68 3  H-Bb H-Mj L-Bb 
 H-Bb H-Mj L-Bb L-Mj 
 H-Bb H-Mj L-Bb L-Mj L-Mn 
 H-Bb H-Mj L-Bb L-Mn 
 H-Bb H-Mj S-Bb L-Bb L-Mj 
 H-Bb H-Mj S-Bb L-Bb L-Mj L-Mn 
 H-Bb H-Mj S-Bb L-Bb L-Mn 
 H-Bb H-Mj S-Bb S-Mn L-Bb L-Mj L-Mn 
 H-Bb H-Mj S-Bb S-Mn L-Bb L-Mn 
 H-Bb L-Bb L-Mn 
 H-Bb S-Bb L-Bb L-Mn 
1.6 (1.4–1.9) 6.0 (5.7–6.4) 4.7 (4.6–4.9) 12.2 (11.3–13.1) 5.3 (5.2–5.4)
SRF-like
(d.88.1.1)
22 4  H-Bb 
 H-Bb H-Mj L-Bb 
 H-Bb H-Mj L-Bb L-Mn 
 H-Bb H-Mj L-Mn 
 H-Bb L-Bb 
 H-Bb L-Mn 
 L-Bb 
2.7 (1.6–3.6) 6.7 (5.3–8.4) 5.1 (4.3–5.7) 10.9 (10.3–12.2) 4.1 (3.0–5.2)
Recombinase DNA-binding domain
(a.4.1.2)
21 5  H-Bb H-Mj L-Bb 
 H-Bb H-Mj L-Bb L-Mj L-Mn 
 H-Bb H-Mj L-Bb L-Mn 
 H-Mj L-Bb 
1.7 (1.0–2.4) 5.5 (3.6–6.2) 5.5 (5.3–5.8) 11.2 (10.4–12.4) 3.6 (1.8–5.8)
Paired domain
(a.4.1.5)
10 6  H-Bb H-Mj L-Bb L-Mj L-Mn 
 H-Bb H-Mj L-Bb L-Mn 
 H-Bb H-Mj S-Bb L-Bb L-Mj L-Mn 
1.2 (0.2–1.8) 7.8 (7.6–8.0) 4.7 (4.6–4.9) 9.7 (9.3–9.9) 5.7 (5.0–6.2)
All SCOP domain families with determined protein-DNA interaction classes
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