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


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 4YKK entry

There are 2 chains in PDB entry 4YKK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 4SER 250
B
 GLY 1CYS 255
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 22 helices in PDB entry 4YKK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
29 32Right-handed 310
Helix 2
AA2
A
36 50Right-handed alpha
Helix 3
AA3
A
74 82Right-handed alpha
Helix 4
AA4
A
95 100Right-handed alpha
Helix 5
AA5
A
126 133Right-handed 310
Helix 6
AA6
A
144 153Right-handed alpha
Helix 7
AA7
A
156 165Right-handed alpha
Helix 8
AA8
A
170 180Right-handed alpha
Helix 9
AA9
A
189 194Right-handed alpha
Helix 10
AB1
A
224 238Right-handed alpha
Helix 11
AB2
A
239 249Right-handed alpha
Helix 12
AB3
B
29 32Right-handed 310
Helix 13
AB4
B
36 50Right-handed alpha
Helix 14
AB5
B
74 82Right-handed alpha
Helix 15
AB6
B
95 102Right-handed alpha
Helix 16
AB7
B
126 133Right-handed 310
Helix 17
AB8
B
144 153Right-handed alpha
Helix 18
AB9
B
156 165Right-handed alpha
Helix 19
AC1
B
170 180Right-handed alpha
Helix 20
AC2
B
189 196Right-handed alpha
Helix 21
AC3
B
224 238Right-handed alpha
Helix 22
AC4
B
239 249Right-handed alpha
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There are 7 sheets in PDB entry 4YKK. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7,

There are 8 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
52 56first strand
Strand 2
A
9 13parallel
Strand 3
A
87 93parallel
Strand 4
A
209 218anti-parallel
Strand 5
A
109 118anti-parallel
Strand 6
A
183 188anti-parallel
Strand 7
A
137 141parallel
Strand 8
A
166 168parallel
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There are 4 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
103 104first strand
Strand 2
A
209 218anti-parallel
Strand 3
A
109 118anti-parallel
Strand 4
A
202 204anti-parallel
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There are 2 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
22 23first strand
Strand 2
A
34 35anti-parallel
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There are 2 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
66 67first strand
Strand 2
A
72 73anti-parallel
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There are 8 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
52 56first strand
Strand 2
B
9 13parallel
Strand 3
B
87 93parallel
Strand 4
B
209 218anti-parallel
Strand 5
B
109 118anti-parallel
Strand 6
B
183 188anti-parallel
Strand 7
B
137 141parallel
Strand 8
B
166 168parallel
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There are 4 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
103 104first strand
Strand 2
B
209 218anti-parallel
Strand 3
B
109 118anti-parallel
Strand 4
B
202 204anti-parallel
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There are 2 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
22 23first strand
Strand 2
B
34 35anti-parallel
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