Analysis of interatomic Contacts of Structural Units in PDB entry:
9N4C


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 9N4C entry

There are 4 chains in PDB entry 9N4C (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 3ALA 181
B
 MET 1ALA 181
C
 ALA 2ALA 181
D
 MET 1ALA 181
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 36 helices in PDB entry 9N4C. 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 28Right-handed alpha
Helix 2
AA2
A
63 67Right-handed 310
Helix 3
AA3
A
69 74Right-handed 310
Helix 4
AA4
A
88 98Right-handed alpha
Helix 5
AA5
A
98 107Right-handed alpha
Helix 6
AA6
A
118 122Right-handed 310
Helix 7
AA7
A
124 134Right-handed alpha
Helix 8
AA8
A
140 151Right-handed alpha
Helix 9
AA9
A
166 179Right-handed alpha
Helix 10
AB1
B
17 28Right-handed alpha
Helix 11
AB2
B
63 67Right-handed 310
Helix 12
AB3
B
69 74Right-handed 310
Helix 13
AB4
B
88 98Right-handed alpha
Helix 14
AB5
B
98 107Right-handed alpha
Helix 15
AB6
B
118 122Right-handed 310
Helix 16
AB7
B
124 133Right-handed alpha
Helix 17
AB8
B
140 152Right-handed alpha
Helix 18
AB9
B
166 180Right-handed alpha
Helix 19
AC1
C
17 28Right-handed alpha
Helix 20
AC2
C
63 67Right-handed 310
Helix 21
AC3
C
69 74Right-handed 310
Helix 22
AC4
C
88 98Right-handed alpha
Helix 23
AC5
C
98 107Right-handed alpha
Helix 24
AC6
C
118 122Right-handed 310
Helix 25
AC7
C
124 133Right-handed alpha
Helix 26
AC8
C
140 151Right-handed alpha
Helix 27
AC9
C
166 180Right-handed alpha
Helix 28
AD1
D
17 28Right-handed alpha
Helix 29
AD2
D
63 67Right-handed 310
Helix 30
AD3
D
69 74Right-handed 310
Helix 31
AD4
D
88 98Right-handed alpha
Helix 32
AD5
D
98 107Right-handed alpha
Helix 33
AD6
D
118 122Right-handed 310
Helix 34
AD7
D
124 134Right-handed alpha
Helix 35
AD8
D
140 151Right-handed alpha
Helix 36
AD9
D
166 179Right-handed alpha
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There are 4 sheets in PDB entry 9N4C. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4,

There are 6 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
42 48first strand
Strand 2
A
51 58anti-parallel
Strand 3
A
4 12parallel
Strand 4
A
79 85parallel
Strand 5
A
112 117parallel
Strand 6
A
155 158parallel
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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
B
43 48first strand
Strand 2
B
51 58anti-parallel
Strand 3
B
4 12parallel
Strand 4
B
79 85parallel
Strand 5
B
112 117parallel
Strand 6
B
155 158parallel
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There are 6 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
43 48first strand
Strand 2
C
51 58anti-parallel
Strand 3
C
4 12parallel
Strand 4
C
79 85parallel
Strand 5
C
112 117parallel
Strand 6
C
155 158parallel
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There are 6 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
42 48first strand
Strand 2
D
51 58anti-parallel
Strand 3
D
4 12parallel
Strand 4
D
79 85parallel
Strand 5
D
112 117parallel
Strand 6
D
155 158parallel
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