Analysis of interatomic Contacts of Structural Units in PDB entry:
2B5L


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 2B5L entry

There are 4 chains in PDB entry 2B5L (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1HIS 1140
B
 MET 1HIS 1140
C
 LEU 16THR 222
D
 LYS 15THR 222
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 23 helices in PDB entry 2B5L. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
250 255Right-handed alpha
Helix 2
2
A
381 384Right-handed 310
Helix 3
3
A
1044 1062Right-handed alpha
Helix 4
4
A
1069 1074Right-handed alpha
Helix 5
5
A
1091 1097Right-handed alpha
Helix 6
6
A
1098 1100Right-handed 310
Helix 7
7
A
1101 1110Right-handed alpha
Helix 8
8
A
1125 1138Right-handed alpha
Helix 9
9
B
341 345Right-handed 310
Helix 10
10
B
381 384Right-handed 310
Helix 11
11
B
728 730Right-handed 310
Helix 12
12
B
755 759Right-handed 310
Helix 13
13
B
984 989Right-handed alpha
Helix 14
14
B
1044 1062Right-handed alpha
Helix 15
15
B
1069 1075Right-handed alpha
Helix 16
16
B
1090 1096Right-handed alpha
Helix 17
17
B
1097 1100Right-handed 310
Helix 18
18
B
1101 1108Right-handed alpha
Helix 19
19
B
1125 1137Right-handed alpha
Helix 20
20
C
22 33Right-handed alpha
Helix 21
21
C
126 139Right-handed alpha
Helix 22
22
D
23 34Right-handed alpha
Helix 23
23
D
126 138Right-handed alpha
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There are 54 sheets in PDB entry 2B5L. 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, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK, AL, AM, AN, AO, AP, AQ, AR, AS, AT, AU, AV, AW, AX, AY, AZ, BA, BB,

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
1004 1009first strand
Strand 2
A
1025 1032anti-parallel
Strand 3
A
1037 1042anti-parallel
Strand 4
A
4 10anti-parallel
Strand 5
A
1088 1090parallel
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There are 4 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
17 21first strand
Strand 2
A
30 34anti-parallel
Strand 3
A
38 44anti-parallel
Strand 4
A
49 56anti-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
61 67first strand
Strand 2
A
76 81anti-parallel
Strand 3
A
85 93anti-parallel
Strand 4
A
98 107anti-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
121 124first strand
Strand 2
A
130 134anti-parallel
Strand 3
A
139 144anti-parallel
Strand 4
A
155 158anti-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
164 169first strand
Strand 2
A
177 184anti-parallel
Strand 3
A
187 196anti-parallel
Strand 4
A
201 202anti-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
A
218 221first strand
Strand 2
A
229 232anti-parallel
Strand 3
A
237 241anti-parallel
Strand 4
A
244 248anti-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
A
260 265first strand
Strand 2
A
268 274anti-parallel
Strand 3
A
279 289anti-parallel
Strand 4
A
295 307anti-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
A
311 316first strand
Strand 2
A
321 326anti-parallel
Strand 3
A
331 336anti-parallel
Strand 4
A
347 353anti-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
A
359 364first strand
Strand 2
A
375 379anti-parallel
Strand 3
A
386 391anti-parallel
Strand 4
A
711 716anti-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
A
396 402first strand
Strand 2
A
699 704anti-parallel
Strand 3
A
690 694anti-parallel
Strand 4
A
678 682anti-parallel
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There are 4 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
409 413first strand
Strand 2
A
424 428anti-parallel
Strand 3
A
433 439anti-parallel
Strand 4
A
442 446anti-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
457 463first strand
Strand 2
A
467 472anti-parallel
Strand 3
A
476 479anti-parallel
Strand 4
A
486 490anti-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
500 503first strand
Strand 2
A
507 512anti-parallel
Strand 3
A
515 522anti-parallel
Strand 4
A
525 533anti-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
538 542first strand
Strand 2
A
555 560anti-parallel
Strand 3
A
565 570anti-parallel
Strand 4
A
575 581anti-parallel
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There are 4 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
588 595first strand
Strand 2
A
600 606anti-parallel
Strand 3
A
610 616anti-parallel
Strand 4
A
623 630anti-parallel
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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
637 641first strand
Strand 2
A
648 652anti-parallel
Strand 3
A
657 661anti-parallel
Strand 4
A
666 670anti-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
A
720 724first strand
Strand 2
A
732 742anti-parallel
Strand 3
A
785 795anti-parallel
Strand 4
A
801 806anti-parallel
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There are 4 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
811 815first strand
Strand 2
A
824 835anti-parallel
Strand 3
A
846 852anti-parallel
Strand 4
A
859 862anti-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
A
818 821first strand
Strand 2
A
824 835anti-parallel
Strand 3
A
846 852anti-parallel
Strand 4
A
865 866anti-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
A
872 876first strand
Strand 2
A
879 883anti-parallel
Strand 3
A
888 893anti-parallel
Strand 4
A
899 905anti-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
A
911 917first strand
Strand 2
A
920 925anti-parallel
Strand 3
A
930 936anti-parallel
Strand 4
A
941 947anti-parallel
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There are 4 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
954 961first strand
Strand 2
A
964 969anti-parallel
Strand 3
A
973 979anti-parallel
Strand 4
A
992 999anti-parallel
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There are 2 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
1076 1077first strand
Strand 2
A
1082 1083anti-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
A
1113 1114first strand
Strand 2
A
1122 1123anti-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
B
4 8first strand
Strand 2
B
1038 1042anti-parallel
Strand 3
B
1025 1032anti-parallel
Strand 4
B
1004 1009anti-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
B
17 21first strand
Strand 2
B
30 34anti-parallel
Strand 3
B
38 44anti-parallel
Strand 4
B
49 56anti-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
B
61 67first strand
Strand 2
B
76 81anti-parallel
Strand 3
B
85 91anti-parallel
Strand 4
B
100 107anti-parallel
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There are 3 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
121 124first strand
Strand 2
B
130 134anti-parallel
Strand 3
B
141 144anti-parallel
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There are 3 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
163 166first strand
Strand 2
B
177 183anti-parallel
Strand 3
B
188 194anti-parallel
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There are 3 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
216 220first strand
Strand 2
B
230 233anti-parallel
Strand 3
B
236 239anti-parallel
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There are 2 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
260 263first strand
Strand 2
B
271 274anti-parallel
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There are 2 strands in AF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
279 280first strand
Strand 2
B
306 307anti-parallel
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There are 2 strands in AG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
283 289first strand
Strand 2
B
295 302anti-parallel
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There are 4 strands in AH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
313 316first strand
Strand 2
B
321 325anti-parallel
Strand 3
B
331 336anti-parallel
Strand 4
B
347 353anti-parallel
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There are 4 strands in AI sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
359 365first strand
Strand 2
B
374 379anti-parallel
Strand 3
B
386 393anti-parallel
Strand 4
B
709 716anti-parallel
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There are 4 strands in AJ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
396 405first strand
Strand 2
B
697 704anti-parallel
Strand 3
B
691 695anti-parallel
Strand 4
B
678 680anti-parallel
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There are 3 strands in AK sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
409 413first strand
Strand 2
B
424 428anti-parallel
Strand 3
B
435 437anti-parallel
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There are 3 strands in AL sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
459 463first strand
Strand 2
B
467 471anti-parallel
Strand 3
B
476 480anti-parallel
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There are 4 strands in AM sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
500 503first strand
Strand 2
B
507 511anti-parallel
Strand 3
B
515 522anti-parallel
Strand 4
B
525 533anti-parallel
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There are 4 strands in AN sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
538 542first strand
Strand 2
B
555 560anti-parallel
Strand 3
B
565 570anti-parallel
Strand 4
B
578 581anti-parallel
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There are 4 strands in AO sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
588 595first strand
Strand 2
B
600 606anti-parallel
Strand 3
B
610 616anti-parallel
Strand 4
B
623 630anti-parallel
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There are 4 strands in AP sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
637 641first strand
Strand 2
B
648 652anti-parallel
Strand 3
B
657 661anti-parallel
Strand 4
B
666 670anti-parallel
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There are 5 strands in AQ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
720 727first strand
Strand 2
B
732 742anti-parallel
Strand 3
B
785 795anti-parallel
Strand 4
B
801 806anti-parallel
Strand 5
B
762 764parallel
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There are 4 strands in AR sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
811 819first strand
Strand 2
B
828 835anti-parallel
Strand 3
B
846 852anti-parallel
Strand 4
B
859 860anti-parallel
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There are 4 strands in AS sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
811 819first strand
Strand 2
B
828 835anti-parallel
Strand 3
B
846 852anti-parallel
Strand 4
B
865 866anti-parallel
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There are 4 strands in AT sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
872 876first strand
Strand 2
B
879 883anti-parallel
Strand 3
B
888 893anti-parallel
Strand 4
B
899 905anti-parallel
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There are 4 strands in AU sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
911 917first strand
Strand 2
B
920 925anti-parallel
Strand 3
B
930 936anti-parallel
Strand 4
B
941 947anti-parallel
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There are 4 strands in AV sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
954 959first strand
Strand 2
B
964 969anti-parallel
Strand 3
B
973 978anti-parallel
Strand 4
B
993 999anti-parallel
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There are 2 strands in AW sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
1113 1114first strand
Strand 2
B
1122 1123anti-parallel
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There are 2 strands in AX sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
18 19first strand
Strand 2
C
42 43parallel
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There are 2 strands in AY sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
95 97first strand
Strand 2
C
202 204anti-parallel
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There are 4 strands in AZ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
111 116first strand
Strand 2
C
183 192anti-parallel
Strand 3
C
171 178anti-parallel
Strand 4
C
143 146anti-parallel
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There are 5 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
47 49first strand
Strand 2
D
144 146anti-parallel
Strand 3
D
173 180anti-parallel
Strand 4
D
183 189anti-parallel
Strand 5
D
111 115anti-parallel
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There are 2 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
95 97first strand
Strand 2
D
202 204anti-parallel
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