Analysis of interatomic Contacts of Structural Units in PDB entry:
4L3A


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 4L3A entry

There are 2 chains in PDB entry 4L3A (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 48THR 516
B
 SER 46THR 440
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 32 helices in PDB entry 4L3A. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
54 66Right-handed alpha
Helix 2
2
A
74 79Right-handed alpha
Helix 3
3
A
96 100Right-handed 310
Helix 4
4
A
116 120Right-handed 310
Helix 5
5
A
136 140Right-handed 310
Helix 6
6
A
160 167Right-handed 310
Helix 7
7
A
187 193Right-handed 310
Helix 8
8
A
211 215Right-handed 310
Helix 9
9
A
241 243Right-handed 310
Helix 10
10
A
257 259Right-handed 310
Helix 11
11
A
292 294Right-handed 310
Helix 12
12
A
309 315Right-handed alpha
Helix 13
13
A
335 340Right-handed 310
Helix 14
14
A
378 387Right-handed alpha
Helix 15
15
A
399 404Right-handed alpha
Helix 16
16
A
456 464Right-handed alpha
Helix 17
17
A
477 482Right-handed alpha
Helix 18
18
B
54 65Right-handed alpha
Helix 19
19
B
74 79Right-handed alpha
Helix 20
20
B
96 100Right-handed 310
Helix 21
21
B
116 120Right-handed 310
Helix 22
22
B
136 140Right-handed 310
Helix 23
23
B
160 162Right-handed 310
Helix 24
24
B
163 168Right-handed alpha
Helix 25
25
B
187 193Right-handed 310
Helix 26
26
B
211 215Right-handed 310
Helix 27
27
B
241 243Right-handed 310
Helix 28
28
B
257 259Right-handed 310
Helix 29
29
B
292 294Right-handed 310
Helix 30
30
B
309 315Right-handed alpha
Helix 31
31
B
335 339Right-handed 310
Helix 32
32
B
378 385Right-handed alpha
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There are 14 sheets in PDB entry 4L3A. 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,

There are 8 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
83 87first strand
Strand 2
A
105 109parallel
Strand 3
A
127 131parallel
Strand 4
A
151 153parallel
Strand 5
A
175 177parallel
Strand 6
A
198 200parallel
Strand 7
A
220 222parallel
Strand 8
A
343 345parallel
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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
227 228first strand
Strand 2
A
350 358parallel
Strand 3
A
318 326anti-parallel
Strand 4
A
272 273anti-parallel
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There are 5 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
235 239first strand
Strand 2
A
350 358parallel
Strand 3
A
318 326anti-parallel
Strand 4
A
282 286anti-parallel
Strand 5
A
289 290anti-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
244 246first strand
Strand 2
A
251 255anti-parallel
Strand 3
A
302 305anti-parallel
Strand 4
A
296 298anti-parallel
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There are 2 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
363 364first strand
Strand 2
A
389 390anti-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
368 372first strand
Strand 2
A
429 436parallel
Strand 3
A
410 417anti-parallel
Strand 4
A
397 398anti-parallel
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There are 2 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
441 442first strand
Strand 2
A
467 468anti-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
446 450first strand
Strand 2
A
506 513parallel
Strand 3
A
488 496anti-parallel
Strand 4
A
474 476anti-parallel
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There are 8 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
83 87first strand
Strand 2
B
105 109parallel
Strand 3
B
127 131parallel
Strand 4
B
151 153parallel
Strand 5
B
175 177parallel
Strand 6
B
198 200parallel
Strand 7
B
220 222parallel
Strand 8
B
343 345parallel
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There are 3 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
227 228first strand
Strand 2
B
350 358parallel
Strand 3
B
235 239parallel
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There are 5 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
227 228first strand
Strand 2
B
350 358parallel
Strand 3
B
318 324anti-parallel
Strand 4
B
282 286anti-parallel
Strand 5
B
289 290anti-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
B
244 246first strand
Strand 2
B
251 255anti-parallel
Strand 3
B
302 305anti-parallel
Strand 4
B
296 298anti-parallel
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There are 2 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
363 364first strand
Strand 2
B
389 390anti-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
B
368 371first strand
Strand 2
B
429 435parallel
Strand 3
B
411 418anti-parallel
Strand 4
B
396 398anti-parallel
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