Analysis of interatomic Contacts of Structural Units in PDB entry:
4U1A


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 4U1A entry

There are 3 chains in PDB entry 4U1A (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 103CYS 345
B
 MET 102CYS 345
C
 LEU 97THR 346
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 41 helices in PDB entry 4U1A. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
122 126Right-handed 310
Helix 2
AA2
A
130 147Right-handed alpha
Helix 3
AA3
A
167 172Right-handed alpha
Helix 4
AA4
A
176 199Right-handed alpha
Helix 5
AA5
A
213 218Right-handed alpha
Helix 6
AA6
A
219 222Right-handed 310
Helix 7
AA7
A
237 241Right-handed 310
Helix 8
AA8
A
247 257Right-handed alpha
Helix 9
AA9
A
257 266Right-handed alpha
Helix 10
AB1
A
273 279Right-handed alpha
Helix 11
AB2
A
287 289Right-handed 310
Helix 12
AB3
A
290 303Right-handed alpha
Helix 13
AB4
A
306 319Right-handed alpha
Helix 14
AB5
A
321 341Right-handed alpha
Helix 15
AB6
B
122 126Right-handed 310
Helix 16
AB7
B
130 147Right-handed alpha
Helix 17
AB8
B
167 172Right-handed alpha
Helix 18
AB9
B
176 199Right-handed alpha
Helix 19
AC1
B
213 218Right-handed alpha
Helix 20
AC2
B
219 222Right-handed 310
Helix 21
AC3
B
237 241Right-handed 310
Helix 22
AC4
B
247 257Right-handed alpha
Helix 23
AC5
B
257 266Right-handed alpha
Helix 24
AC6
B
273 279Right-handed alpha
Helix 25
AC7
B
287 304Right-handed alpha
Helix 26
AC8
B
306 319Right-handed alpha
Helix 27
AC9
B
321 341Right-handed alpha
Helix 28
AD1
C
122 126Right-handed 310
Helix 29
AD2
C
130 147Right-handed alpha
Helix 30
AD3
C
167 172Right-handed alpha
Helix 31
AD4
C
176 199Right-handed alpha
Helix 32
AD5
C
213 218Right-handed alpha
Helix 33
AD6
C
219 222Right-handed 310
Helix 34
AD7
C
237 241Right-handed 310
Helix 35
AD8
C
247 257Right-handed alpha
Helix 36
AD9
C
257 266Right-handed alpha
Helix 37
AE1
C
273 279Right-handed alpha
Helix 38
AE2
C
287 289Right-handed 310
Helix 39
AE3
C
290 304Right-handed alpha
Helix 40
AE4
C
306 319Right-handed alpha
Helix 41
AE5
C
321 341Right-handed alpha
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There are 6 sheets in PDB entry 4U1A. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6,

There are 6 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
107 112first strand
Strand 2
A
115 120anti-parallel
Strand 3
A
151 156parallel
Strand 4
A
203 207parallel
Strand 5
A
224 228parallel
Strand 6
A
284 286parallel
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There are 3 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
211 212first strand
Strand 2
A
232 234parallel
Strand 3
A
271 272anti-parallel
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There are 6 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
107 112first strand
Strand 2
B
115 120anti-parallel
Strand 3
B
151 156parallel
Strand 4
B
203 207parallel
Strand 5
B
224 228parallel
Strand 6
B
284 286parallel
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There are 3 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
211 212first strand
Strand 2
B
232 234parallel
Strand 3
B
271 272anti-parallel
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There are 7 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
101 102first strand
Strand 2
C
107 112anti-parallel
Strand 3
C
115 120anti-parallel
Strand 4
C
151 156parallel
Strand 5
C
203 207parallel
Strand 6
C
224 228parallel
Strand 7
C
284 286parallel
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There are 3 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
211 212first strand
Strand 2
C
232 234parallel
Strand 3
C
271 272anti-parallel
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