Analysis of interatomic Contacts of Structural Units in PDB entry:
21DL


Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
For CSU analysis of other PDB entry

This page provides analyses of contacts formed by:
For analysis of ligand-protein contacts, use: 3D structure can be seen in additional window with STING software for 21DL entry

There are 2 chains in PDB entry 21DL (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 13ARG 307
B
 SER 13ARG 307
Residue contacts

1. List of contacts for up to 10 consecutive residues:
Chain ID from residue number to residue number


2. Detailed analyses of contacts for any single residue:
Residue number chain ID
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There are 35 helices in PDB entry 21DL. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
17 23Right-handed alpha
Helix 2
AA2
A
27 29Right-handed 310
Helix 3
AA3
A
63 68Right-handed 310
Helix 4
AA4
A
69 75Right-handed alpha
Helix 5
AA5
A
95 99Right-handed 310
Helix 6
AA6
A
100 116Right-handed alpha
Helix 7
AA7
A
127 138Right-handed alpha
Helix 8
AA8
A
164 172Right-handed alpha
Helix 9
AA9
A
175 186Right-handed alpha
Helix 10
AB1
A
189 198Right-handed alpha
Helix 11
AB2
A
203 215Right-handed alpha
Helix 12
AB3
A
216 229Right-handed alpha
Helix 13
AB4
A
232 238Right-handed alpha
Helix 14
AB5
A
239 242Right-handed 310
Helix 15
AB6
A
259 269Right-handed alpha
Helix 16
AB7
A
283 288Right-handed alpha
Helix 17
AB8
A
288 306Right-handed alpha
Helix 18
AB9
B
20 25Right-handed 310
Helix 19
AC1
B
27 29Right-handed 310
Helix 20
AC2
B
63 68Right-handed 310
Helix 21
AC3
B
69 75Right-handed alpha
Helix 22
AC4
B
95 99Right-handed 310
Helix 23
AC5
B
100 115Right-handed alpha
Helix 24
AC6
B
127 138Right-handed alpha
Helix 25
AC7
B
158 163Right-handed alpha
Helix 26
AC8
B
170 174Right-handed 310
Helix 27
AC9
B
176 186Right-handed alpha
Helix 28
AD1
B
189 198Right-handed alpha
Helix 29
AD2
B
203 215Right-handed alpha
Helix 30
AD3
B
216 229Right-handed alpha
Helix 31
AD4
B
232 238Right-handed alpha
Helix 32
AD5
B
239 242Right-handed 310
Helix 33
AD6
B
259 269Right-handed alpha
Helix 34
AD7
B
283 288Right-handed alpha
Helix 35
AD8
B
288 306Right-handed alpha
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There are 2 sheets in PDB entry 21DL. Click on sheet of interest to get list of strands forming it: AA1, AA2,

There are 8 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
31 36first strand
Strand 2
A
39 46anti-parallel
Strand 3
A
79 83anti-parallel
Strand 4
A
53 57parallel
Strand 5
A
121 125parallel
Strand 6
A
145 149parallel
Strand 7
A
245 251parallel
Strand 8
A
273 277parallel
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There are 8 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
31 36first strand
Strand 2
B
39 46anti-parallel
Strand 3
B
79 83anti-parallel
Strand 4
B
53 57parallel
Strand 5
B
121 125parallel
Strand 6
B
145 149parallel
Strand 7
B
245 251parallel
Strand 8
B
273 277parallel
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