Analysis of interatomic Contacts of Structural Units in PDB entry:
25XN


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 25XN entry

There are 6 chains in PDB entry 25XN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLN 226PRO 3894
B
 U 4002 A 4011
C
 A 4092 A 4101
D
 U 1 C 13
E
 G 0 A 3
F
 G 2 A 19
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 are153 helices in PDB entry 25XN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
226 237Right-handed alpha
Helix 2
AA2
A
246 253Right-handed alpha
Helix 3
AA3
A
282 288Right-handed alpha
Helix 4
AA4
A
308 314Right-handed alpha
Helix 5
AA5
A
316 325Right-handed alpha
Helix 6
AA6
A
329 334Right-handed 310
Helix 7
AA7
A
338 358Right-handed alpha
Helix 8
AA8
A
362 374Right-handed alpha
Helix 9
AA9
A
375 378Right-handed 310
Helix 10
AB1
A
380 390Right-handed alpha
Helix 11
AB2
A
392 399Right-handed alpha
Helix 12
AB3
A
399 424Right-handed alpha
Helix 13
AB4
A
427 436Right-handed alpha
Helix 14
AB5
A
446 460Right-handed alpha
Helix 15
AB6
A
466 485Right-handed alpha
Helix 16
AB7
A
489 495Right-handed alpha
Helix 17
AB8
A
507 522Right-handed alpha
Helix 18
AB9
A
540 554Right-handed alpha
Helix 19
AC1
A
561 581Right-handed alpha
Helix 20
AC2
A
586 594Right-handed alpha
Helix 21
AC3
A
594 605Right-handed alpha
Helix 22
AC4
A
606 622Right-handed alpha
Helix 23
AC5
A
625 650Right-handed alpha
Helix 24
AC6
A
655 659Right-handed 310
Helix 25
AC7
A
661 670Right-handed alpha
Helix 26
AC8
A
673 681Right-handed alpha
Helix 27
AC9
A
684 690Right-handed 310
Helix 28
AD1
A
748 761Right-handed alpha
Helix 29
AD2
A
811 818Right-handed alpha
Helix 30
AD3
A
831 843Right-handed alpha
Helix 31
AD4
A
843 854Right-handed alpha
Helix 32
AD5
A
869 873Right-handed 310
Helix 33
AD6
A
876 898Right-handed alpha
Helix 34
AD7
A
899 912Right-handed alpha
Helix 35
AD8
A
913 914Right-handed 310
Helix 36
AD9
A
915 919Right-handed 310
Helix 37
AE1
A
930 947Right-handed alpha
Helix 38
AE2
A
955 967Right-handed alpha
Helix 39
AE3
A
973 987Right-handed alpha
Helix 40
AE4
A
987 998Right-handed alpha
Helix 41
AE5
A
1006 1024Right-handed alpha
Helix 42
AE6
A
1028 1042Right-handed alpha
Helix 43
AE7
A
1044 1057Right-handed alpha
Helix 44
AE8
A
1062 1066Right-handed 310
Helix 45
AE9
A
1104 1111Right-handed alpha
Helix 46
AF1
A
1118 1140Right-handed alpha
Helix 47
AF2
A
1176 1187Right-handed alpha
Helix 48
AF3
A
1196 1209Right-handed alpha
Helix 49
AF4
A
1221 1233Right-handed alpha
Helix 50
AF5
A
1237 1254Right-handed alpha
Helix 51
AF6
A
1266 1281Right-handed alpha
Helix 52
AF7
A
1297 1309Right-handed alpha
Helix 53
AF8
A
1315 1328Right-handed alpha
Helix 54
AF9
A
1330 1350Right-handed alpha
Helix 55
AG1
A
1401 1409Right-handed alpha
Helix 56
AG2
A
1410 1426Right-handed alpha
Helix 57
AG3
A
1428 1432Right-handed 310
Helix 58
AG4
A
1436 1464Right-handed alpha
Helix 59
AG5
A
1465 1481Right-handed alpha
Helix 60
AG6
A
1487 1505Right-handed alpha
Helix 61
AG7
A
1507 1514Right-handed alpha
Helix 62
AG8
A
1515 1524Right-handed alpha
Helix 63
AG9
A
1524 1531Right-handed alpha
Helix 64
AH1
A
1532 1534Right-handed 310
Helix 65
AH2
A
1538 1547Right-handed alpha
Helix 66
AH3
A
1552 1572Right-handed alpha
Helix 67
AH4
A
1572 1582Right-handed alpha
Helix 68
AH5
A
1603 1612Right-handed alpha
Helix 69
AH6
A
1613 1616Right-handed 310
Helix 70
AH7
A
1623 1650Right-handed alpha
Helix 71
AH8
A
1657 1666Right-handed alpha
Helix 72
AH9
A
1758 1773Right-handed alpha
Helix 73
AI1
A
1780 1791Right-handed alpha
Helix 74
AI2
A
1792 1795Right-handed 310
Helix 75
AI3
A
1796 1805Right-handed alpha
Helix 76
AI4
A
1806 1811Right-handed 310
Helix 77
AI5
A
1812 1816Right-handed 310
Helix 78
AI6
A
1831 1852Right-handed alpha
Helix 79
AI7
A
1872 1877Right-handed alpha
Helix 80
AI8
A
1883 1895Right-handed alpha
Helix 81
AI9
A
2017 2040Right-handed alpha
Helix 82
AJ1
A
2045 2058Right-handed alpha
Helix 83
AJ2
A
2059 2061Right-handed 310
Helix 84
AJ3
A
2063 2073Right-handed alpha
Helix 85
AJ4
A
2235 2247Right-handed alpha
Helix 86
AJ5
A
2250 2260Right-handed alpha
Helix 87
AJ6
A
2286 2305Right-handed alpha
Helix 88
AJ7
A
2316 2336Right-handed alpha
Helix 89
AJ8
A
2367 2379Right-handed alpha
Helix 90
AJ9
A
2382 2398Right-handed alpha
Helix 91
AK1
A
2404 2420Right-handed alpha
Helix 92
AK2
A
2429 2440Right-handed alpha
Helix 93
AK3
A
2441 2445Right-handed 310
Helix 94
AK4
A
2447 2457Right-handed alpha
Helix 95
AK5
A
2458 2461Right-handed 310
Helix 96
AK6
A
2476 2503Right-handed alpha
Helix 97
AK7
A
2531 2540Right-handed alpha
Helix 98
AK8
A
2540 2558Right-handed alpha
Helix 99
AK9
A
2589 2594Right-handed 310
Helix 100
AL1
A
2605 2623Right-handed alpha
Helix 101
AL2
A
2626 2645Right-handed alpha
Helix 102
AL3
A
2645 2657Right-handed alpha
Helix 103
AL4
A
2658 2659Right-handed 310
Helix 104
AL5
A
2660 2664Right-handed 310
Helix 105
AL6
A
2670 2675Right-handed alpha
Helix 106
AL7
A
2678 2697Right-handed alpha
Helix 107
AL8
A
2753 2765Right-handed alpha
Helix 108
AL9
A
2771 2783Right-handed alpha
Helix 109
AM1
A
2801 2805Right-handed 310
Helix 110
AM2
A
2806 2814Right-handed alpha
Helix 111
AM3
A
2816 2837Right-handed alpha
Helix 112
AM4
A
2869 2890Right-handed alpha
Helix 113
AM5
A
2898 2910Right-handed alpha
Helix 114
AM6
A
2916 2930Right-handed alpha
Helix 115
AM7
A
2932 2938Right-handed alpha
Helix 116
AM8
A
2944 2954Right-handed alpha
Helix 117
AM9
A
2994 3003Right-handed alpha
Helix 118
AN1
A
3043 3061Right-handed alpha
Helix 119
AN2
A
3062 3072Right-handed alpha
Helix 120
AN3
A
3104 3114Right-handed alpha
Helix 121
AN4
A
3115 3122Right-handed alpha
Helix 122
AN5
A
3130 3142Right-handed alpha
Helix 123
AN6
A
3142 3163Right-handed alpha
Helix 124
AN7
A
3167 3188Right-handed alpha
Helix 125
AN8
A
3209 3217Right-handed alpha
Helix 126
AN9
A
3237 3252Right-handed alpha
Helix 127
AO1
A
3255 3268Right-handed alpha
Helix 128
AO2
A
3272 3276Right-handed 310
Helix 129
AO3
A
3283 3294Right-handed alpha
Helix 130
AO4
A
3297 3305Right-handed alpha
Helix 131
AO5
A
3306 3309Right-handed 310
Helix 132
AO6
A
3311 3327Right-handed alpha
Helix 133
AO7
A
3328 3334Right-handed 310
Helix 134
AO8
A
3382 3399Right-handed alpha
Helix 135
AO9
A
3406 3417Right-handed alpha
Helix 136
AP1
A
3419 3423Right-handed 310
Helix 137
AP2
A
3504 3514Right-handed alpha
Helix 138
AP3
A
3543 3556Right-handed alpha
Helix 139
AP4
A
3556 3569Right-handed alpha
Helix 140
AP5
A
3569 3579Right-handed alpha
Helix 141
AP6
A
3585 3596Right-handed alpha
Helix 142
AP7
A
3606 3624Right-handed alpha
Helix 143
AP8
A
3627 3629Right-handed 310
Helix 144
AP9
A
3630 3641Right-handed alpha
Helix 145
AQ1
A
3678 3686Right-handed alpha
Helix 146
AQ2
A
3691 3699Right-handed 310
Helix 147
AQ3
A
3700 3722Right-handed alpha
Helix 148
AQ4
A
3724 3739Right-handed alpha
Helix 149
AQ5
A
3752 3758Right-handed alpha
Helix 150
AQ6
A
3802 3817Right-handed alpha
Helix 151
AQ7
A
3824 3832Right-handed alpha
Helix 152
AQ8
A
3859 3868Right-handed alpha
Helix 153
AQ9
A
3869 3888Right-handed alpha
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There are 21 sheets in PDB entry 25XN. 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,

There are 3 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
258 260first strand
Strand 2
A
264 268anti-parallel
Strand 3
A
304 307parallel
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There are 5 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
744 746first strand
Strand 2
A
694 698parallel
Strand 3
A
821 827anti-parallel
Strand 4
A
857 863parallel
Strand 5
A
801 805anti-parallel
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There are 4 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
970 972first strand
Strand 2
A
1753 1755parallel
Strand 3
A
725 729anti-parallel
Strand 4
A
1670 1672parallel
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There are 2 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
1003 1004first strand
Strand 2
A
1536 1537anti-parallel
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There are 3 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
1151 1152first strand
Strand 2
A
1143 1145anti-parallel
Strand 3
A
1219 1220anti-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
1357 1362first strand
Strand 2
A
1369 1374anti-parallel
Strand 3
A
1382 1387anti-parallel
Strand 4
A
1393 1400anti-parallel
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There are 2 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
1821 1825first strand
Strand 2
A
2231 2234anti-parallel
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There are 4 strands in AA8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
2278 2285first strand
Strand 2
A
2267 2275anti-parallel
Strand 3
A
2399 2402parallel
Strand 4
A
2464 2467anti-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
A
2507 2515first strand
Strand 2
A
2518 2530anti-parallel
Strand 3
A
2346 2358anti-parallel
Strand 4
A
2568 2570anti-parallel
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There are 2 strands in AB1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
2574 2576first strand
Strand 2
A
2579 2581anti-parallel
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There are 2 strands in AB2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
2956 2960first strand
Strand 2
A
2990 2993anti-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
A
3005 3009first strand
Strand 2
A
3037 3042parallel
Strand 3
A
3027 3031anti-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
A
3078 3080first strand
Strand 2
A
3222 3224anti-parallel
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There are 2 strands in AB5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
3086 3094first strand
Strand 2
A
3191 3199anti-parallel
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There are 7 strands in AB6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
3343 3346first strand
Strand 2
A
3355 3360anti-parallel
Strand 3
A
3363 3370anti-parallel
Strand 4
A
3373 3378anti-parallel
Strand 5
A
3455 3459parallel
Strand 6
A
3431 3437anti-parallel
Strand 7
A
3445 3448anti-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
A
3466 3469first strand
Strand 2
A
3496 3499anti-parallel
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There are 3 strands in AB8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
3479 3480first strand
Strand 2
A
3486 3493anti-parallel
Strand 3
A
3529 3537anti-parallel
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There are 2 strands in AB9 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
3598 3599first strand
Strand 2
A
3750 3751parallel
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There are 2 strands in AC1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
3646 3651first strand
Strand 2
A
3660 3665anti-parallel
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There are 2 strands in AC2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
3772 3773first strand
Strand 2
A
3786 3787anti-parallel
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There are 2 strands in AC3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
3777 3778first strand
Strand 2
A
3781 3782anti-parallel
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