Analysis of interatomic Contacts of Structural Units in PDB entry:
4E54


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 4E54 entry

There are 2 chains in PDB entry 4E54 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS 1HIS 1140
B
 ARG 20ASN 165
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 16 helices in PDB entry 4E54. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
197 200Right-handed 310
Helix 2
2
A
250 255Right-handed alpha
Helix 3
3
A
381 384Right-handed 310
Helix 4
4
A
728 730Right-handed 310
Helix 5
5
A
985 990Right-handed alpha
Helix 6
6
A
1044 1059Right-handed alpha
Helix 7
7
A
1069 1074Right-handed alpha
Helix 8
8
A
1091 1096Right-handed alpha
Helix 9
9
A
1097 1100Right-handed 310
Helix 10
10
A
1101 1110Right-handed alpha
Helix 11
11
A
1125 1138Right-handed alpha
Helix 12
12
B
21 26Right-handed alpha
Helix 13
13
B
38 43Right-handed 310
Helix 14
14
B
57 63Right-handed alpha
Helix 15
15
B
71 77Right-handed alpha
Helix 16
16
B
82 92Right-handed alpha
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There are 32 sheets in PDB entry 4E54. 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,

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 35anti-parallel
Strand 3
A
38 43anti-parallel
Strand 4
A
50 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 65first strand
Strand 2
A
77 81anti-parallel
Strand 3
A
86 94anti-parallel
Strand 4
A
97 106anti-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 204anti-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
164 169first strand
Strand 2
A
177 184anti-parallel
Strand 3
A
187 196anti-parallel
Strand 4
A
210 212anti-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
218 221first strand
Strand 2
A
229 232anti-parallel
Strand 3
A
237 240anti-parallel
Strand 4
A
245 248anti-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
258 263first strand
Strand 2
A
270 275anti-parallel
Strand 3
A
279 285anti-parallel
Strand 4
A
300 307anti-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
311 318first 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 J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
363 365first strand
Strand 2
A
375 379anti-parallel
Strand 3
A
386 392anti-parallel
Strand 4
A
710 716anti-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
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 3 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
410 413first strand
Strand 2
A
424 429anti-parallel
Strand 3
A
432 437anti-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
457 463first strand
Strand 2
A
467 472anti-parallel
Strand 3
A
476 480anti-parallel
Strand 4
A
486 490anti-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
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 O 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
576 581anti-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
588 596first strand
Strand 2
A
599 606anti-parallel
Strand 3
A
610 617anti-parallel
Strand 4
A
622 630anti-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
637 643first strand
Strand 2
A
646 652anti-parallel
Strand 3
A
657 661anti-parallel
Strand 4
A
666 670anti-parallel
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There are 3 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
720 727first strand
Strand 2
A
732 743anti-parallel
Strand 3
A
749 751anti-parallel
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There are 5 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
720 727first strand
Strand 2
A
732 743anti-parallel
Strand 3
A
785 795anti-parallel
Strand 4
A
801 806anti-parallel
Strand 5
A
762 765parallel
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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
811 819first strand
Strand 2
A
828 835anti-parallel
Strand 3
A
846 854anti-parallel
Strand 4
A
857 860anti-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
811 819first strand
Strand 2
A
828 835anti-parallel
Strand 3
A
846 854anti-parallel
Strand 4
A
864 866anti-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
870 876first strand
Strand 2
A
879 884anti-parallel
Strand 3
A
887 893anti-parallel
Strand 4
A
899 905anti-parallel
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There are 4 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
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 X sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
954 959first 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 Y 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 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
106 109first strand
Strand 2
B
414 417anti-parallel
Strand 3
B
407 410anti-parallel
Strand 4
B
397 400anti-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
114 119first strand
Strand 2
B
127 131anti-parallel
Strand 3
B
136 139anti-parallel
Strand 4
B
148 150anti-parallel
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There are 4 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
161 164first strand
Strand 2
B
171 175anti-parallel
Strand 3
B
181 185anti-parallel
Strand 4
B
190 195anti-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
207 210first strand
Strand 2
B
215 219anti-parallel
Strand 3
B
225 229anti-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
245 250first strand
Strand 2
B
257 262anti-parallel
Strand 3
B
269 271anti-parallel
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There are 4 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
291 293first strand
Strand 2
B
302 307anti-parallel
Strand 3
B
312 316anti-parallel
Strand 4
B
323 326anti-parallel
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There are 4 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
343 344first strand
Strand 2
B
351 354anti-parallel
Strand 3
B
372 375anti-parallel
Strand 4
B
382 386anti-parallel
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