Analysis of interatomic Contacts of Structural Units in PDB entry:
1C9I


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 1C9I entry

There are 4 chains in PDB entry 1C9I (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 3LEU 357
B
 ILE 4ALA 358
C
 ALA 815ALA 823
D
 VAL 816ASP 822
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 10 helices in PDB entry 1C9I. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
16 19Right-handed 310
Helix 2
2
A
21 25Right-handed 310
Helix 3
3
A
145 149Right-handed 310
Helix 4
4
A
333 340Right-handed alpha
Helix 5
5
A
344 356Right-handed alpha
Helix 6
6
B
21 25Right-handed 310
Helix 7
7
B
94 96Right-handed 310
Helix 8
8
B
145 149Right-handed 310
Helix 9
9
B
333 341Right-handed alpha
Helix 10
10
B
344 355Right-handed alpha
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There are 14 sheets in PDB entry 1C9I. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N,

There are 4 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
7 14first strand
Strand 2
A
323 329anti-parallel
Strand 3
A
314 319anti-parallel
Strand 4
A
303 309anti-parallel
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There are 4 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
30 31first strand
Strand 2
A
37 44anti-parallel
Strand 3
A
47 54anti-parallel
Strand 4
A
62 65anti-parallel
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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
70 73first strand
Strand 2
A
79 84anti-parallel
Strand 3
A
87 92anti-parallel
Strand 4
A
97 103anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
110 113first strand
Strand 2
A
118 123anti-parallel
Strand 3
A
126 131anti-parallel
Strand 4
A
139 143anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
152 158first strand
Strand 2
A
164 173anti-parallel
Strand 3
A
176 185anti-parallel
Strand 4
A
190 195anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
198 204first strand
Strand 2
A
213 222anti-parallel
Strand 3
A
225 232anti-parallel
Strand 4
A
246 248anti-parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
261 267first strand
Strand 2
A
272 277anti-parallel
Strand 3
A
281 286anti-parallel
Strand 4
A
292 297anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
7 14first strand
Strand 2
B
323 329anti-parallel
Strand 3
B
314 319anti-parallel
Strand 4
B
303 309anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
30 34first strand
Strand 2
B
37 44anti-parallel
Strand 3
B
47 54anti-parallel
Strand 4
B
62 65anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
70 73first strand
Strand 2
B
79 84anti-parallel
Strand 3
B
87 92anti-parallel
Strand 4
B
97 103anti-parallel
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There are 4 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
108 113first strand
Strand 2
B
118 123anti-parallel
Strand 3
B
126 131anti-parallel
Strand 4
B
139 143anti-parallel
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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
152 158first strand
Strand 2
B
164 173anti-parallel
Strand 3
B
176 185anti-parallel
Strand 4
B
191 195anti-parallel
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There are 4 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
198 204first strand
Strand 2
B
213 222anti-parallel
Strand 3
B
225 232anti-parallel
Strand 4
B
246 249anti-parallel
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There are 4 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
261 267first strand
Strand 2
B
272 277anti-parallel
Strand 3
B
281 286anti-parallel
Strand 4
B
292 297anti-parallel
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