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


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 1XLT entry

There are 9 chains in PDB entry 1XLT (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1GLY 381
B
 MET 1THR 380
C
 ARG 291ASN 464
D
 MET 1ALA 378
E
 MET 1ALA 378
F
 HIS 292ASN 464
G
 MET 1GLY 381
H
 MET 1PRO 377
I
 HIS 292ASN 464
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 are136 helices in PDB entry 1XLT. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
19 29Right-handed alpha
Helix 2
2
A
40 44Right-handed 310
Helix 3
3
A
46 52Right-handed alpha
Helix 4
4
A
62 67Right-handed alpha
Helix 5
5
A
86 90Right-handed 310
Helix 6
6
A
101 104Right-handed 310
Helix 7
7
A
105 114Right-handed alpha
Helix 8
8
A
123 125Right-handed 310
Helix 9
9
A
131 135Right-handed 310
Helix 10
10
A
137 142Right-handed alpha
Helix 11
11
A
142 155Right-handed alpha
Helix 12
12
A
181 194Right-handed alpha
Helix 13
13
A
207 212Right-handed alpha
Helix 14
14
A
242 256Right-handed alpha
Helix 15
15
A
277 283Right-handed alpha
Helix 16
16
A
294 298Right-handed 310
Helix 17
17
A
322 326Right-handed 310
Helix 18
18
A
327 344Right-handed alpha
Helix 19
19
A
360 365Right-handed alpha
Helix 20
20
B
19 29Right-handed alpha
Helix 21
21
B
40 44Right-handed 310
Helix 22
22
B
46 54Right-handed alpha
Helix 23
23
B
60 66Right-handed alpha
Helix 24
24
B
79 83Right-handed 310
Helix 25
25
B
86 90Right-handed 310
Helix 26
26
B
105 115Right-handed alpha
Helix 27
27
B
123 125Right-handed 310
Helix 28
28
B
129 134Right-handed 310
Helix 29
29
B
135 155Right-handed alpha
Helix 30
30
B
181 195Right-handed alpha
Helix 31
31
B
207 213Right-handed alpha
Helix 32
32
B
242 256Right-handed alpha
Helix 33
33
B
277 283Right-handed alpha
Helix 34
34
B
322 326Right-handed 310
Helix 35
35
B
327 344Right-handed alpha
Helix 36
36
B
345 347Right-handed 310
Helix 37
37
B
362 367Right-handed alpha
Helix 38
38
C
296 306Right-handed alpha
Helix 39
39
C
315 322Right-handed alpha
Helix 40
40
C
323 337Right-handed alpha
Helix 41
41
C
354 363Right-handed alpha
Helix 42
42
C
373 377Right-handed alpha
Helix 43
43
C
379 383Right-handed 310
Helix 44
44
C
392 396Right-handed 310
Helix 45
45
C
397 401Right-handed 310
Helix 46
46
C
414 418Right-handed 310
Helix 47
47
C
437 442Right-handed 310
Helix 48
48
C
451 464Right-handed alpha
Helix 49
49
D
19 28Right-handed alpha
Helix 50
50
D
46 53Right-handed alpha
Helix 51
51
D
60 66Right-handed alpha
Helix 52
52
D
101 104Right-handed 310
Helix 53
53
D
105 115Right-handed alpha
Helix 54
54
D
123 125Right-handed 310
Helix 55
55
D
128 132Right-handed 310
Helix 56
56
D
135 155Right-handed alpha
Helix 57
57
D
181 194Right-handed alpha
Helix 58
58
D
207 212Right-handed alpha
Helix 59
59
D
231 235Right-handed 310
Helix 60
60
D
240 248Right-handed alpha
Helix 61
61
D
251 256Right-handed alpha
Helix 62
62
D
294 298Right-handed 310
Helix 63
63
D
322 326Right-handed 310
Helix 64
64
D
327 344Right-handed alpha
Helix 65
65
D
360 365Right-handed alpha
Helix 66
66
E
19 28Right-handed alpha
Helix 67
67
E
40 44Right-handed 310
Helix 68
68
E
46 52Right-handed alpha
Helix 69
69
E
60 65Right-handed alpha
Helix 70
70
E
101 104Right-handed 310
Helix 71
71
E
105 115Right-handed alpha
Helix 72
72
E
131 134Right-handed 310
Helix 73
73
E
135 156Right-handed alpha
Helix 74
74
E
181 194Right-handed alpha
Helix 75
75
E
206 214Right-handed alpha
Helix 76
76
E
241 256Right-handed alpha
Helix 77
77
E
277 282Right-handed alpha
Helix 78
78
E
294 298Right-handed 310
Helix 79
79
E
323 326Right-handed 310
Helix 80
80
E
327 344Right-handed alpha
Helix 81
81
E
360 366Right-handed alpha
Helix 82
82
F
296 305Right-handed alpha
Helix 83
83
F
315 322Right-handed alpha
Helix 84
84
F
323 337Right-handed alpha
Helix 85
85
F
354 364Right-handed alpha
Helix 86
86
F
366 368Right-handed 310
Helix 87
87
F
374 376Right-handed 310
Helix 88
88
F
392 401Right-handed 310
Helix 89
89
F
451 462Right-handed alpha
Helix 90
90
G
19 29Right-handed alpha
Helix 91
91
G
40 44Right-handed 310
Helix 92
92
G
46 52Right-handed alpha
Helix 93
93
G
61 66Right-handed alpha
Helix 94
94
G
79 83Right-handed 310
Helix 95
95
G
86 90Right-handed 310
Helix 96
96
G
101 104Right-handed 310
Helix 97
97
G
105 114Right-handed alpha
Helix 98
98
G
123 125Right-handed 310
Helix 99
99
G
131 134Right-handed 310
Helix 100
100
G
135 145Right-handed alpha
Helix 101
101
G
145 156Right-handed alpha
Helix 102
102
G
181 194Right-handed alpha
Helix 103
103
G
206 215Right-handed alpha
Helix 104
104
G
242 247Right-handed alpha
Helix 105
105
G
251 256Right-handed alpha
Helix 106
106
G
279 283Right-handed 310
Helix 107
107
G
294 298Right-handed 310
Helix 108
108
G
323 326Right-handed 310
Helix 109
109
G
327 344Right-handed alpha
Helix 110
110
G
345 347Right-handed 310
Helix 111
111
G
360 366Right-handed alpha
Helix 112
112
H
19 28Right-handed alpha
Helix 113
113
H
40 44Right-handed 310
Helix 114
114
H
46 52Right-handed alpha
Helix 115
115
H
86 90Right-handed 310
Helix 116
116
H
106 114Right-handed alpha
Helix 117
117
H
130 134Right-handed 310
Helix 118
118
H
135 156Right-handed alpha
Helix 119
119
H
181 194Right-handed alpha
Helix 120
120
H
206 212Right-handed alpha
Helix 121
121
H
242 251Right-handed alpha
Helix 122
122
H
251 256Right-handed alpha
Helix 123
123
H
277 283Right-handed alpha
Helix 124
124
H
324 326Right-handed 310
Helix 125
125
H
327 344Right-handed alpha
Helix 126
126
H
360 367Right-handed alpha
Helix 127
127
I
296 306Right-handed alpha
Helix 128
128
I
315 322Right-handed alpha
Helix 129
129
I
323 337Right-handed alpha
Helix 130
130
I
354 362Right-handed alpha
Helix 131
131
I
366 368Right-handed 310
Helix 132
132
I
372 377Right-handed alpha
Helix 133
133
I
379 383Right-handed 310
Helix 134
134
I
397 402Right-handed alpha
Helix 135
135
I
414 418Right-handed 310
Helix 136
136
I
451 464Right-handed alpha
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There are 25 sheets in PDB entry 1XLT. 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,

There are 7 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
56 58first strand
Strand 2
A
32 36parallel
Strand 3
A
2 5parallel
Strand 4
A
70 75parallel
Strand 5
A
95 99parallel
Strand 6
A
118 121parallel
Strand 7
A
367 369anti-parallel
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There are 2 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
163 165first strand
Strand 2
A
168 170anti-parallel
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There are 7 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
217 218first strand
Strand 2
A
199 201parallel
Strand 3
A
175 178parallel
Strand 4
A
260 263parallel
Strand 5
A
289 292parallel
Strand 6
A
315 319parallel
Strand 7
A
308 312anti-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
A
347 348first strand
Strand 2
A
353 354anti-parallel
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There are 6 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
56 58first strand
Strand 2
B
32 36parallel
Strand 3
B
2 5parallel
Strand 4
B
70 75parallel
Strand 5
B
95 99parallel
Strand 6
B
118 121parallel
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There are 2 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
163 165first strand
Strand 2
B
168 170anti-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
197 201first strand
Strand 2
B
174 178parallel
Strand 3
B
260 263parallel
Strand 4
B
289 292parallel
Strand 5
B
315 318parallel
Strand 6
B
309 312anti-parallel
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There are 2 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
369 370first strand
Strand 2
B
373 374anti-parallel
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There are 7 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
293 294first strand
Strand 2
C
445 447parallel
Strand 3
C
420 424parallel
Strand 4
C
385 389parallel
Strand 5
C
309 314parallel
Strand 6
C
340 345parallel
Strand 7
C
370 372parallel
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There are 6 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
56 58first strand
Strand 2
D
34 36parallel
Strand 3
D
3 5parallel
Strand 4
D
70 73parallel
Strand 5
D
94 98parallel
Strand 6
D
117 121parallel
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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
D
163 164first strand
Strand 2
D
169 170anti-parallel
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There are 7 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
217 218first strand
Strand 2
D
199 201parallel
Strand 3
D
177 178parallel
Strand 4
D
260 263parallel
Strand 5
D
289 292parallel
Strand 6
D
315 318parallel
Strand 7
D
310 312anti-parallel
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There are 6 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
56 58first strand
Strand 2
E
32 36parallel
Strand 3
E
2 5parallel
Strand 4
E
70 72parallel
Strand 5
E
94 98parallel
Strand 6
E
117 121parallel
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There are 2 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
163 165first strand
Strand 2
E
168 170anti-parallel
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There are 7 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
217 218first strand
Strand 2
E
197 201parallel
Strand 3
E
174 178parallel
Strand 4
E
260 263parallel
Strand 5
E
289 292parallel
Strand 6
E
315 318parallel
Strand 7
E
310 312anti-parallel
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There are 2 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
369 370first strand
Strand 2
E
373 374anti-parallel
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There are 6 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
370 372first strand
Strand 2
F
340 345parallel
Strand 3
F
309 314parallel
Strand 4
F
385 389parallel
Strand 5
F
420 424parallel
Strand 6
F
445 447parallel
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There are 8 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
55 58first strand
Strand 2
G
32 36parallel
Strand 3
G
2 5parallel
Strand 4
G
70 75parallel
Strand 5
G
95 99parallel
Strand 6
G
118 121parallel
Strand 7
G
367 370anti-parallel
Strand 8
G
373 374anti-parallel
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There are 2 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
163 165first strand
Strand 2
G
168 170anti-parallel
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There are 7 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
217 219first strand
Strand 2
G
197 201parallel
Strand 3
G
174 178parallel
Strand 4
G
260 263parallel
Strand 5
G
289 292parallel
Strand 6
G
315 318parallel
Strand 7
G
309 312anti-parallel
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There are 6 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
56 58first strand
Strand 2
H
32 36parallel
Strand 3
H
2 5parallel
Strand 4
H
70 75parallel
Strand 5
H
95 99parallel
Strand 6
H
118 121parallel
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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
H
163 165first strand
Strand 2
H
168 170anti-parallel
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There are 6 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
197 198first strand
Strand 2
H
174 178parallel
Strand 3
H
260 263parallel
Strand 4
H
289 292parallel
Strand 5
H
315 319parallel
Strand 6
H
308 312anti-parallel
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There are 2 strands in X sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
369 370first strand
Strand 2
H
373 374anti-parallel
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There are 6 strands in Y sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
370 371first strand
Strand 2
I
340 344parallel
Strand 3
I
309 314parallel
Strand 4
I
385 389parallel
Strand 5
I
420 425parallel
Strand 6
I
445 449parallel
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