Analysis of interatomic Contacts of Structural Units in PDB entry:
4R6U


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 4R6U entry

There are 4 chains in PDB entry 4R6U (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
C
 SER 21ASP 318
A
 SER 21ASP 318
B
 TYR 1ASN 155
D
 TYR 1ASN 155
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 14 helices in PDB entry 4R6U. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
C
89 93Right-handed 310
Helix 2
2
C
121 123Right-handed 310
Helix 3
3
C
145 147Right-handed 310
Helix 4
4
C
176 180Right-handed 310
Helix 5
5
A
89 93Right-handed 310
Helix 6
6
A
121 123Right-handed 310
Helix 7
7
A
145 147Right-handed 310
Helix 8
8
A
176 180Right-handed 310
Helix 9
9
B
34 41Right-handed alpha
Helix 10
10
B
76 80Right-handed 310
Helix 11
11
B
146 150Right-handed 310
Helix 12
12
D
34 41Right-handed alpha
Helix 13
13
D
76 80Right-handed 310
Helix 14
14
D
146 150Right-handed 310
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There are 22 sheets in PDB entry 4R6U. 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, O, P, Q, R, S, T, U, V,

There are 5 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
27 31first strand
Strand 2
C
103 112parallel
Strand 3
C
94 100anti-parallel
Strand 4
C
55 59anti-parallel
Strand 5
C
66 67anti-parallel
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There are 3 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
36 39first strand
Strand 2
C
82 85anti-parallel
Strand 3
C
76 79anti-parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
125 131first strand
Strand 2
C
194 207parallel
Strand 3
C
181 191anti-parallel
Strand 4
C
149 156anti-parallel
Strand 5
C
159 160anti-parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
135 139first strand
Strand 2
C
170 174anti-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
C
216 217first strand
Strand 2
C
233 241anti-parallel
Strand 3
C
276 284anti-parallel
Strand 4
C
262 263anti-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
C
216 217first strand
Strand 2
C
233 241anti-parallel
Strand 3
C
276 284anti-parallel
Strand 4
C
266 270anti-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
C
222 226first strand
Strand 2
C
305 314parallel
Strand 3
C
296 302anti-parallel
Strand 4
C
246 250anti-parallel
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There are 5 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
27 31first strand
Strand 2
A
104 112parallel
Strand 3
A
94 99anti-parallel
Strand 4
A
55 59anti-parallel
Strand 5
A
66 67anti-parallel
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There are 3 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
36 39first strand
Strand 2
A
82 85anti-parallel
Strand 3
A
76 79anti-parallel
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There are 5 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
125 131first strand
Strand 2
A
194 207parallel
Strand 3
A
181 191anti-parallel
Strand 4
A
149 156anti-parallel
Strand 5
A
159 160anti-parallel
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There are 2 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
135 139first strand
Strand 2
A
170 174anti-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
A
216 217first strand
Strand 2
A
233 241anti-parallel
Strand 3
A
276 284anti-parallel
Strand 4
A
262 263anti-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
A
216 217first strand
Strand 2
A
233 241anti-parallel
Strand 3
A
276 284anti-parallel
Strand 4
A
267 270anti-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
A
222 226first strand
Strand 2
A
305 314parallel
Strand 3
A
296 302anti-parallel
Strand 4
A
246 250anti-parallel
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There are 6 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
82 84first strand
Strand 2
B
71 75anti-parallel
Strand 3
B
60 67anti-parallel
Strand 4
B
47 54anti-parallel
Strand 5
B
2 13anti-parallel
Strand 6
B
91 92anti-parallel
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There are 8 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
82 84first strand
Strand 2
B
71 75anti-parallel
Strand 3
B
60 67anti-parallel
Strand 4
B
101 106anti-parallel
Strand 5
B
109 117anti-parallel
Strand 6
B
151 154anti-parallel
Strand 7
B
2 13anti-parallel
Strand 8
B
91 92anti-parallel
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There are 2 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
19 22first strand
Strand 2
B
28 31anti-parallel
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There are 2 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
123 130first strand
Strand 2
B
133 140anti-parallel
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There are 6 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
82 84first strand
Strand 2
D
71 75anti-parallel
Strand 3
D
60 67anti-parallel
Strand 4
D
47 54anti-parallel
Strand 5
D
2 13anti-parallel
Strand 6
D
91 92anti-parallel
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There are 8 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
82 84first strand
Strand 2
D
71 75anti-parallel
Strand 3
D
60 67anti-parallel
Strand 4
D
101 106anti-parallel
Strand 5
D
109 117anti-parallel
Strand 6
D
151 154anti-parallel
Strand 7
D
2 13anti-parallel
Strand 8
D
91 92anti-parallel
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There are 2 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
19 22first strand
Strand 2
D
28 31anti-parallel
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There are 2 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
123 130first strand
Strand 2
D
133 140anti-parallel
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