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


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 4PEP entry


Note, this PDB entry contains modified residue(s) PHOSPHOSERINE (SEP) . This residue is treated as heterogroup (ligand) both in the PDB entry and in LPC/CSU analysis.

There are 2 chains in PDB entry 4PEP (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ILE 1THR 67
A
 GLN 69ALA 326
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 7 helices in PDB entry 4PEP. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
H1
A
48 51Right-handed 310
Helix 2
H2
A
110 114Right-handed alpha
Helix 3
H3
A
136 142Right-handed alpha
Helix 4
H4
A
225 235Right-handed alpha
Helix 5
H5
A
249 254Right-handed alpha
Helix 6
H6
A
271 274Right-handed alpha
Helix 7
H7
A
303 308Right-handed alpha
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There are 8 sheets in PDB entry 4PEP. Click on sheet of interest to get list of strands forming it: IA, IB, II, III, IV, V, VI, VII,

There are 6 strands in IA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
2 6first strand
Strand 2
A
163 168anti-parallel
Strand 3
A
149 154anti-parallel
Strand 4
A
308 316anti-parallel
Strand 5
A
318 325anti-parallel
Strand 6
A
176 176anti-parallel
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There are 6 strands in IB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
2 6first strand
Strand 2
A
163 168anti-parallel
Strand 3
A
149 154anti-parallel
Strand 4
A
308 316anti-parallel
Strand 5
A
318 325anti-parallel
Strand 6
A
179 184anti-parallel
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There are 4 strands in II sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
23 27first strand
Strand 2
A
18 21anti-parallel
Strand 3
A
88 91anti-parallel
Strand 4
A
94 96anti-parallel
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There are 4 strands in III sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
202 205first strand
Strand 2
A
196 199anti-parallel
Strand 3
A
258 262anti-parallel
Strand 4
A
265 269anti-parallel
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There are 3 strands in IV sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
71 75first strand
Strand 2
A
78 82anti-parallel
Strand 3
A
105 106anti-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
238 241first strand
Strand 2
A
243 247anti-parallel
Strand 3
A
281 285anti-parallel
Strand 4
A
274 278anti-parallel
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There are 7 strands in VI sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
65 65first strand
Strand 2
A
83 87anti-parallel
Strand 3
A
99 104anti-parallel
Strand 4
A
37 40parallel
Strand 5
A
118 123anti-parallel
Strand 6
A
28 32parallel
Strand 7
A
16 16anti-parallel
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There are 5 strands in VII sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
190 195first strand
Strand 2
A
209 215anti-parallel
Strand 3
A
299 301parallel
Strand 4
A
221 223anti-parallel
Strand 5
A
285 289parallel
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