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


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 4RCA entry

There are 2 chains in PDB entry 4RCA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 21LYS 320
B
 ASP 22PRO 262
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 6 helices in PDB entry 4RCA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
278 282Right-handed 310
Helix 2
2
B
78 82Right-handed 310
Helix 3
3
B
147 150Right-handed 310
Helix 4
4
B
220 230Right-handed alpha
Helix 5
5
B
251 255Right-handed 310
Helix 6
6
B
256 261Right-handed alpha
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There are 12 sheets in PDB entry 4RCA. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 4 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
25 28first strand
Strand 2
A
41 48anti-parallel
Strand 3
A
79 84anti-parallel
Strand 4
A
69 73anti-parallel
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There are 5 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
33 36first strand
Strand 2
A
106 116parallel
Strand 3
A
94 101anti-parallel
Strand 4
A
54 59anti-parallel
Strand 5
A
62 63anti-parallel
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There are 2 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
127 130first strand
Strand 2
A
148 150anti-parallel
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There are 5 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
135 138first strand
Strand 2
A
221 226parallel
Strand 3
A
203 210anti-parallel
Strand 4
A
156 161anti-parallel
Strand 5
A
164 165anti-parallel
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There are 4 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
135 138first strand
Strand 2
A
221 226parallel
Strand 3
A
203 210anti-parallel
Strand 4
A
215 217anti-parallel
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There are 3 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
143 145first strand
Strand 2
A
192 194anti-parallel
Strand 3
A
175 177anti-parallel
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There are 3 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
234 240first strand
Strand 2
A
251 262anti-parallel
Strand 3
A
286 294anti-parallel
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There are 5 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
245 247first strand
Strand 2
A
309 319parallel
Strand 3
A
298 306anti-parallel
Strand 4
A
266 271anti-parallel
Strand 5
A
274 275anti-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
38 41first strand
Strand 2
B
61 64parallel
Strand 3
B
84 88parallel
Strand 4
B
110 112parallel
Strand 5
B
134 136parallel
Strand 6
B
158 160parallel
Strand 7
B
181 183parallel
Strand 8
B
206 208parallel
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There are 2 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
72 73first strand
Strand 2
B
96 97parallel
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There are 2 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
120 121first strand
Strand 2
B
144 145parallel
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There are 2 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
214 215first strand
Strand 2
B
241 243parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il