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


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 1EFA entry

There are 5 chains in PDB entry 1EFA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
D
 T 5 T 21
E
 A 2 A 18
A
 LYS 2THR 329
B
 LYS 2ALA 331
C
 ASN 46ALA 331
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 36 helices in PDB entry 1EFA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
5 12Right-handed alpha
Helix 2
2
A
16 25Right-handed alpha
Helix 3
3
A
32 46Right-handed alpha
Helix 4
4
A
50 57Right-handed alpha
Helix 5
5
A
73 90Right-handed alpha
Helix 6
6
A
103 117Right-handed alpha
Helix 7
7
A
129 140Right-handed alpha
Helix 8
8
A
162 177Right-handed alpha
Helix 9
9
A
191 207Right-handed alpha
Helix 10
10
A
221 235Right-handed alpha
Helix 11
11
A
246 259Right-handed alpha
Helix 12
12
A
276 282Right-handed 310
Helix 13
13
A
292 309Right-handed alpha
Helix 14
14
B
5 12Right-handed alpha
Helix 15
15
B
16 25Right-handed alpha
Helix 16
16
B
32 45Right-handed alpha
Helix 17
17
B
50 57Right-handed alpha
Helix 18
18
B
73 90Right-handed alpha
Helix 19
19
B
103 117Right-handed alpha
Helix 20
20
B
129 140Right-handed alpha
Helix 21
21
B
162 177Right-handed alpha
Helix 22
22
B
191 207Right-handed alpha
Helix 23
23
B
221 235Right-handed alpha
Helix 24
24
B
246 259Right-handed alpha
Helix 25
25
B
277 282Right-handed 310
Helix 26
26
B
292 309Right-handed alpha
Helix 27
27
C
50 57Right-handed alpha
Helix 28
28
C
73 90Right-handed alpha
Helix 29
29
C
103 117Right-handed alpha
Helix 30
30
C
129 140Right-handed alpha
Helix 31
31
C
162 177Right-handed alpha
Helix 32
32
C
191 207Right-handed alpha
Helix 33
33
C
221 235Right-handed alpha
Helix 34
34
C
246 259Right-handed alpha
Helix 35
35
C
277 282Right-handed 310
Helix 36
36
C
292 309Right-handed alpha
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There are 9 sheets in PDB entry 1EFA. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I,

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
93 98first strand
Strand 2
A
63 68parallel
Strand 3
A
121 125parallel
Strand 4
A
145 147parallel
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There are 2 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
158 161first strand
Strand 2
A
316 319parallel
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There are 6 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
214 217first strand
Strand 2
A
182 186parallel
Strand 3
A
241 244parallel
Strand 4
A
269 274parallel
Strand 5
A
288 290parallel
Strand 6
A
322 324anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
93 99first strand
Strand 2
B
63 69parallel
Strand 3
B
121 125parallel
Strand 4
B
145 147parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
158 161first strand
Strand 2
B
316 319parallel
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There are 6 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
214 217first strand
Strand 2
B
182 186parallel
Strand 3
B
241 244parallel
Strand 4
B
269 274parallel
Strand 5
B
287 290parallel
Strand 6
B
322 324anti-parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
93 99first strand
Strand 2
C
63 69parallel
Strand 3
C
121 125parallel
Strand 4
C
145 147parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
158 161first strand
Strand 2
C
316 319parallel
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There are 6 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
214 217first strand
Strand 2
C
182 186parallel
Strand 3
C
241 244parallel
Strand 4
C
269 274parallel
Strand 5
C
287 290parallel
Strand 6
C
322 324anti-parallel
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