Analysis of interatomic Contacts of Structural Units in PDB entry:
1W18


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 1W18 entry

There are 2 chains in PDB entry 1W18 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 63ASP 554
B
 ALA 62ASP 554
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 1W18. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
89 94Right-handed alpha
Helix 2
2
A
94 100Right-handed alpha
Helix 3
3
A
112 115Right-handed 310
Helix 4
4
A
167 171Right-handed 310
Helix 5
5
A
171 175Right-handed 310
Helix 6
6
A
187 191Right-handed 310
Helix 7
7
A
207 213Right-handed 310
Helix 8
8
A
340 345Right-handed alpha
Helix 9
9
A
355 362Right-handed alpha
Helix 10
10
A
363 367Right-handed 310
Helix 11
11
A
419 422Right-handed 310
Helix 12
12
A
547 552Right-handed alpha
Helix 13
13
B
89 100Right-handed alpha
Helix 14
14
B
112 115Right-handed 310
Helix 15
15
B
167 171Right-handed 310
Helix 16
16
B
171 175Right-handed 310
Helix 17
17
B
187 191Right-handed 310
Helix 18
18
B
210 214Right-handed 310
Helix 19
19
B
340 345Right-handed alpha
Helix 20
20
B
355 362Right-handed alpha
Helix 21
21
B
363 367Right-handed 310
Helix 22
22
B
419 422Right-handed 310
Helix 23
23
B
547 553Right-handed alpha
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There are 14 sheets in PDB entry 1W18. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, AG, AH, BA, BB, BC, BD, BE, BF,

There are 2 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
77 78first strand
Strand 2
A
442 443anti-parallel
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There are 5 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
86 87first strand
Strand 2
A
384 392parallel
Strand 3
A
369 376anti-parallel
Strand 4
A
322 329anti-parallel
Strand 5
A
308 314anti-parallel
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There are 8 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
198 202first strand
Strand 2
A
176 183anti-parallel
Strand 3
A
152 160anti-parallel
Strand 4
A
132 140anti-parallel
Strand 5
A
220 230parallel
Strand 6
A
237 249anti-parallel
Strand 7
A
255 272anti-parallel
Strand 8
A
277 289anti-parallel
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There are 2 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
147 149first strand
Strand 2
A
543 545parallel
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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
A
401 408first strand
Strand 2
A
411 418anti-parallel
Strand 3
A
432 438anti-parallel
Strand 4
A
454 457anti-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
A
401 408first strand
Strand 2
A
411 418anti-parallel
Strand 3
A
432 438anti-parallel
Strand 4
A
446 447anti-parallel
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There are 4 strands in AG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
483 489first strand
Strand 2
A
493 500anti-parallel
Strand 3
A
513 518anti-parallel
Strand 4
A
521 524anti-parallel
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There are 3 strands in AH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
483 489first strand
Strand 2
A
493 500anti-parallel
Strand 3
A
505 509anti-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
B
86 87first strand
Strand 2
B
386 392parallel
Strand 3
B
369 375anti-parallel
Strand 4
B
322 329anti-parallel
Strand 5
B
308 314anti-parallel
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There are 8 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
198 202first strand
Strand 2
B
176 183anti-parallel
Strand 3
B
152 160anti-parallel
Strand 4
B
132 140anti-parallel
Strand 5
B
220 230parallel
Strand 6
B
237 247anti-parallel
Strand 7
B
260 272anti-parallel
Strand 8
B
277 289anti-parallel
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There are 2 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
147 149first strand
Strand 2
B
543 545parallel
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There are 4 strands in BD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
401 408first strand
Strand 2
B
411 418anti-parallel
Strand 3
B
432 438anti-parallel
Strand 4
B
454 457anti-parallel
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There are 4 strands in BE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
401 408first strand
Strand 2
B
411 418anti-parallel
Strand 3
B
432 438anti-parallel
Strand 4
B
446 447anti-parallel
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There are 7 strands in BF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
481 488first strand
Strand 2
B
493 500anti-parallel
Strand 3
B
505 509anti-parallel
Strand 4
B
493 500anti-parallel
Strand 5
B
521 524first strand
Strand 6
B
513 518anti-parallel
Strand 7
B
493 500anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il