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


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 4XRC entry

There are 6 chains in PDB entry 4XRC (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TYR 1THR 208
B
 GLN 1LEU 223
D
 LYS 57LYS 262
L
 TYR 1THR 208
H
 GLN 1LEU 223
C
 LYS 57LYS 262
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 19 helices in PDB entry 4XRC. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
25 29Right-handed 310
Helix 2
AA2
A
77 81Right-handed 310
Helix 3
AA3
A
120 125Right-handed alpha
Helix 4
AA4
A
180 185Right-handed alpha
Helix 5
AA5
B
87 91Right-handed 310
Helix 6
AA6
D
65 72Right-handed alpha
Helix 7
AA7
D
104 113Right-handed alpha
Helix 8
AA8
D
125 127Right-handed 310
Helix 9
AA9
D
187 195Right-handed alpha
Helix 10
AB1
L
25 29Right-handed 310
Helix 11
AB2
L
77 81Right-handed 310
Helix 12
AB3
L
120 125Right-handed alpha
Helix 13
AB4
H
87 91Right-handed 310
Helix 14
AB5
H
166 168Right-handed 310
Helix 15
AB6
H
211 214Right-handed 310
Helix 16
AB7
C
65 72Right-handed alpha
Helix 17
AB8
C
104 113Right-handed alpha
Helix 18
AB9
C
125 127Right-handed 310
Helix 19
AC1
C
187 195Right-handed alpha
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There are 34 sheets in PDB entry 4XRC. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3, AB4, AB5, AB6, AB7, AB8, AB9, AC1, AC2, AC3, AC4, AC5, AC6, AC7, AC8, AC9, AD1, AD2, AD3, AD4, AD5, AD6, AD7,

There are 5 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
8 11first strand
Strand 2
A
100 104parallel
Strand 3
A
82 90anti-parallel
Strand 4
A
32 36anti-parallel
Strand 5
A
43 46anti-parallel
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There are 4 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
8 11first strand
Strand 2
A
100 104parallel
Strand 3
A
82 90anti-parallel
Strand 4
A
93 96anti-parallel
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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
16 22first strand
Strand 2
A
68 74anti-parallel
Strand 3
A
60 65anti-parallel
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There are 4 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
113 117first strand
Strand 2
A
129 138anti-parallel
Strand 3
A
171 179anti-parallel
Strand 4
A
158 160anti-parallel
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There are 4 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
113 117first strand
Strand 2
A
129 138anti-parallel
Strand 3
A
171 179anti-parallel
Strand 4
A
164 165anti-parallel
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There are 4 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
152 153first strand
Strand 2
A
144 149anti-parallel
Strand 3
A
190 196anti-parallel
Strand 4
A
199 205anti-parallel
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There are 4 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
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 AA8 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
117 121parallel
Strand 3
B
92 101anti-parallel
Strand 4
B
34 40anti-parallel
Strand 5
B
47 52anti-parallel
Strand 6
B
58 60anti-parallel
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There are 4 strands in AA9 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
117 121parallel
Strand 3
B
92 101anti-parallel
Strand 4
B
108 113anti-parallel
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There are 4 strands in AB1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
130 134first strand
Strand 2
B
147 155anti-parallel
Strand 3
B
186 193anti-parallel
Strand 4
B
173 175anti-parallel
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There are 4 strands in AB2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
130 134first strand
Strand 2
B
147 155anti-parallel
Strand 3
B
186 193anti-parallel
Strand 4
B
179 180anti-parallel
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There are 3 strands in AB3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
161 164first strand
Strand 2
B
204 210anti-parallel
Strand 3
B
215 221anti-parallel
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There are 2 strands in AB4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
59 61first strand
Strand 2
D
87 89parallel
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There are 6 strands in AB5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
83 84first strand
Strand 2
D
117 122anti-parallel
Strand 3
D
256 261anti-parallel
Strand 4
D
175 184anti-parallel
Strand 5
D
229 237anti-parallel
Strand 6
D
100 102parallel
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There are 6 strands in AB6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
83 84first strand
Strand 2
D
117 122anti-parallel
Strand 3
D
256 261anti-parallel
Strand 4
D
175 184anti-parallel
Strand 5
D
251 254anti-parallel
Strand 6
D
151 153anti-parallel
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There are 2 strands in AB7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
136 141first strand
Strand 2
D
144 146anti-parallel
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There are 4 strands in AB8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
164 169first strand
Strand 2
D
242 247anti-parallel
Strand 3
D
202 206anti-parallel
Strand 4
D
209 213anti-parallel
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There are 5 strands in AB9 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
8 11first strand
Strand 2
L
100 104parallel
Strand 3
L
82 90anti-parallel
Strand 4
L
32 36anti-parallel
Strand 5
L
43 46anti-parallel
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There are 4 strands in AC1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
8 11first strand
Strand 2
L
100 104parallel
Strand 3
L
82 90anti-parallel
Strand 4
L
93 96anti-parallel
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There are 3 strands in AC2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
16 22first strand
Strand 2
L
68 74anti-parallel
Strand 3
L
60 65anti-parallel
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There are 4 strands in AC3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
113 117first strand
Strand 2
L
129 138anti-parallel
Strand 3
L
171 179anti-parallel
Strand 4
L
158 160anti-parallel
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There are 4 strands in AC4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
113 117first strand
Strand 2
L
129 138anti-parallel
Strand 3
L
171 179anti-parallel
Strand 4
L
164 165anti-parallel
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There are 4 strands in AC5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
152 153first strand
Strand 2
L
144 149anti-parallel
Strand 3
L
190 196anti-parallel
Strand 4
L
199 205anti-parallel
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There are 4 strands in AC6 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 AC7 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
117 121parallel
Strand 3
H
92 101anti-parallel
Strand 4
H
34 40anti-parallel
Strand 5
H
47 52anti-parallel
Strand 6
H
58 60anti-parallel
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There are 4 strands in AC8 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
117 121parallel
Strand 3
H
92 101anti-parallel
Strand 4
H
108 113anti-parallel
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There are 4 strands in AC9 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
130 134first strand
Strand 2
H
145 155anti-parallel
Strand 3
H
186 195anti-parallel
Strand 4
H
173 175anti-parallel
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There are 4 strands in AD1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
130 134first strand
Strand 2
H
145 155anti-parallel
Strand 3
H
186 195anti-parallel
Strand 4
H
179 180anti-parallel
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There are 3 strands in AD2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
161 164first strand
Strand 2
H
204 210anti-parallel
Strand 3
H
215 221anti-parallel
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There are 2 strands in AD3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
59 61first strand
Strand 2
C
87 89parallel
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There are 5 strands in AD4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
100 102first strand
Strand 2
C
229 237parallel
Strand 3
C
175 184anti-parallel
Strand 4
C
256 261anti-parallel
Strand 5
C
117 122anti-parallel
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There are 5 strands in AD5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
100 102first strand
Strand 2
C
229 237parallel
Strand 3
C
175 184anti-parallel
Strand 4
C
251 254anti-parallel
Strand 5
C
151 153anti-parallel
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There are 2 strands in AD6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
136 141first strand
Strand 2
C
144 146anti-parallel
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There are 4 strands in AD7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
164 169first strand
Strand 2
C
242 247anti-parallel
Strand 3
C
202 206anti-parallel
Strand 4
C
209 213anti-parallel
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