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


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 4QCI entry

There are 6 chains in PDB entry 4QCI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TYR 2GLU 207
B
 GLU 1ARG 220
C
 PRO 10THR 101
D
 ILE 7VAL 102
H
 GLU 1ARG 220
L
 GLU 3PRO 205
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 17 helices in PDB entry 4QCI. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
26 30Right-handed 310
Helix 2
2
A
78 82Right-handed 310
Helix 3
3
A
119 124Right-handed alpha
Helix 4
4
A
179 185Right-handed alpha
Helix 5
5
B
28 32Right-handed 310
Helix 6
6
B
87 91Right-handed 310
Helix 7
7
B
163 165Right-handed 310
Helix 8
8
B
207 210Right-handed 310
Helix 9
9
C
26 31Right-handed alpha
Helix 10
10
H
28 32Right-handed 310
Helix 11
11
H
87 91Right-handed 310
Helix 12
12
H
163 165Right-handed 310
Helix 13
13
H
207 210Right-handed 310
Helix 14
14
L
26 30Right-handed 310
Helix 15
15
L
78 82Right-handed 310
Helix 16
16
L
119 124Right-handed alpha
Helix 17
17
L
179 185Right-handed alpha
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There are 27 sheets in PDB entry 4QCI. 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, W, X, Y, Z, AA,

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
A
9 12first strand
Strand 2
A
101 105parallel
Strand 3
A
83 88anti-parallel
Strand 4
A
33 37anti-parallel
Strand 5
A
44 47anti-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
A
18 23first strand
Strand 2
A
69 74anti-parallel
Strand 3
A
61 66anti-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
112 116first strand
Strand 2
A
127 137anti-parallel
Strand 3
A
168 178anti-parallel
Strand 4
A
157 159anti-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
112 116first strand
Strand 2
A
127 137anti-parallel
Strand 3
A
168 178anti-parallel
Strand 4
A
163 165anti-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
151 153first strand
Strand 2
A
143 148anti-parallel
Strand 3
A
188 194anti-parallel
Strand 4
A
197 203anti-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
B
3 7first strand
Strand 2
B
18 25anti-parallel
Strand 3
B
78 83anti-parallel
Strand 4
B
68 73anti-parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
11 12first strand
Strand 2
B
114 118parallel
Strand 3
B
92 99anti-parallel
Strand 4
B
33 39anti-parallel
Strand 5
B
45 51anti-parallel
Strand 6
B
58 60anti-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
11 12first strand
Strand 2
B
114 118parallel
Strand 3
B
92 99anti-parallel
Strand 4
B
109 110anti-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
127 131first strand
Strand 2
B
142 152anti-parallel
Strand 3
B
182 191anti-parallel
Strand 4
B
170 172anti-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
127 131first strand
Strand 2
B
142 152anti-parallel
Strand 3
B
182 191anti-parallel
Strand 4
B
176 177anti-parallel
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There are 3 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
158 161first strand
Strand 2
B
201 206anti-parallel
Strand 3
B
211 216anti-parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
17 24first strand
Strand 2
C
43 50anti-parallel
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There are 3 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
37 40first strand
Strand 2
C
59 76anti-parallel
Strand 3
C
83 100anti-parallel
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There are 3 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
37 40first strand
Strand 2
C
59 76anti-parallel
Strand 3
D
9 10parallel
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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
17 24first strand
Strand 2
D
43 50anti-parallel
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There are 3 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
37 40first strand
Strand 2
D
59 76anti-parallel
Strand 3
D
83 100anti-parallel
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There are 4 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
3 7first strand
Strand 2
H
18 25anti-parallel
Strand 3
H
78 83anti-parallel
Strand 4
H
68 73anti-parallel
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There are 6 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
11 12first strand
Strand 2
H
114 118parallel
Strand 3
H
92 99anti-parallel
Strand 4
H
33 39anti-parallel
Strand 5
H
45 51anti-parallel
Strand 6
H
58 60anti-parallel
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There are 4 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
11 12first strand
Strand 2
H
114 118parallel
Strand 3
H
92 99anti-parallel
Strand 4
H
109 110anti-parallel
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There are 4 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
127 131first strand
Strand 2
H
143 152anti-parallel
Strand 3
H
182 190anti-parallel
Strand 4
H
170 172anti-parallel
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There are 4 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
127 131first strand
Strand 2
H
143 152anti-parallel
Strand 3
H
182 190anti-parallel
Strand 4
H
176 177anti-parallel
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There are 3 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
158 161first strand
Strand 2
H
201 206anti-parallel
Strand 3
H
211 216anti-parallel
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There are 5 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
9 12first strand
Strand 2
L
101 105parallel
Strand 3
L
83 88anti-parallel
Strand 4
L
33 37anti-parallel
Strand 5
L
44 47anti-parallel
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There are 3 strands in X sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
18 23first strand
Strand 2
L
69 74anti-parallel
Strand 3
L
61 66anti-parallel
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There are 4 strands in Y sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
112 116first strand
Strand 2
L
127 137anti-parallel
Strand 3
L
169 178anti-parallel
Strand 4
L
157 159anti-parallel
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There are 4 strands in Z sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
112 116first strand
Strand 2
L
127 137anti-parallel
Strand 3
L
169 178anti-parallel
Strand 4
L
163 164anti-parallel
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There are 4 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
151 153first strand
Strand 2
L
143 148anti-parallel
Strand 3
L
188 194anti-parallel
Strand 4
L
197 203anti-parallel
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