Analysis of interatomic Contacts of Structural Units in PDB entry:
9CEN


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 9CEN entry

There are 4 chains in PDB entry 9CEN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 4SER 231
A
 ASP 233ARG 430
B
 ALA 1SER 231
B
 ASP 233LEU 432
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 41 helices in PDB entry 9CEN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
4 14Right-handed alpha
Helix 2
AA2
A
17 21Right-handed 310
Helix 3
AA3
A
22 26Right-handed 310
Helix 4
AA4
A
34 38Right-handed 310
Helix 5
AA5
A
40 58Right-handed alpha
Helix 6
AA6
A
80 92Right-handed alpha
Helix 7
AA7
A
105 115Right-handed alpha
Helix 8
AA8
A
136 147Right-handed alpha
Helix 9
AA9
A
160 164Right-handed 310
Helix 10
AB1
A
169 184Right-handed alpha
Helix 11
AB2
A
193 205Right-handed alpha
Helix 12
AB3
A
208 210Right-handed 310
Helix 13
AB4
A
211 221Right-handed alpha
Helix 14
AB5
A
246 261Right-handed alpha
Helix 15
AB6
A
265 278Right-handed alpha
Helix 16
AB7
A
278 303Right-handed alpha
Helix 17
AB8
A
320 324Right-handed alpha
Helix 18
AB9
A
331 345Right-handed alpha
Helix 19
AC1
A
379 396Right-handed alpha
Helix 20
AC2
A
422 424Right-handed 310
Helix 21
AC3
A
425 430Right-handed alpha
Helix 22
AC4
B
3 14Right-handed alpha
Helix 23
AC5
B
17 21Right-handed 310
Helix 24
AC6
B
22 26Right-handed 310
Helix 25
AC7
B
34 38Right-handed 310
Helix 26
AC8
B
40 58Right-handed alpha
Helix 27
AC9
B
80 92Right-handed alpha
Helix 28
AD1
B
105 115Right-handed alpha
Helix 29
AD2
B
136 147Right-handed alpha
Helix 30
AD3
B
160 164Right-handed 310
Helix 31
AD4
B
169 183Right-handed alpha
Helix 32
AD5
B
193 205Right-handed alpha
Helix 33
AD6
B
208 210Right-handed 310
Helix 34
AD7
B
211 222Right-handed alpha
Helix 35
AD8
B
246 261Right-handed alpha
Helix 36
AD9
B
265 278Right-handed alpha
Helix 37
AE1
B
278 303Right-handed alpha
Helix 38
AE2
B
320 324Right-handed alpha
Helix 39
AE3
B
331 345Right-handed alpha
Helix 40
AE4
B
379 395Right-handed alpha
Helix 41
AE5
B
425 432Right-handed alpha
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There are 8 sheets in PDB entry 9CEN. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8,

There are 2 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
28 29first strand
Strand 2
A
346 347parallel
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There are 6 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
74 78first strand
Strand 2
A
240 244anti-parallel
Strand 3
A
225 229anti-parallel
Strand 4
A
187 190parallel
Strand 5
A
151 157parallel
Strand 6
A
98 101parallel
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There are 3 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
315 319first strand
Strand 2
A
369 373anti-parallel
Strand 3
A
349 351anti-parallel
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There are 2 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
403 406first strand
Strand 2
A
417 420anti-parallel
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There are 2 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
28 29first strand
Strand 2
B
346 347parallel
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There are 6 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
74 78first strand
Strand 2
B
240 244anti-parallel
Strand 3
B
225 229anti-parallel
Strand 4
B
187 190parallel
Strand 5
B
151 157parallel
Strand 6
B
98 101parallel
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There are 3 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
315 319first strand
Strand 2
B
369 373anti-parallel
Strand 3
B
349 350anti-parallel
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There are 2 strands in AA8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
403 405first strand
Strand 2
B
418 420anti-parallel
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