Analysis of interatomic Contacts of Structural Units in PDB entry:
4MA3


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 4MA3 entry

There are 4 chains in PDB entry 4MA3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
L
 VAL 2GLU 219
H
 SER 2SER 216
A
 VAL 2GLU 219
B
 SER 2LYS 215
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 18 helices in PDB entry 4MA3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
L
28 32Right-handed 310
Helix 2
2
L
80 84Right-handed 310
Helix 3
3
L
127 133Right-handed alpha
Helix 4
4
L
189 193Right-handed alpha
Helix 5
5
H
84 88Right-handed 310
Helix 6
6
H
128 130Right-handed 310
Helix 7
7
H
157 159Right-handed 310
Helix 8
8
H
188 190Right-handed 310
Helix 9
9
H
202 205Right-handed 310
Helix 10
10
A
28 32Right-handed 310
Helix 11
11
A
80 84Right-handed 310
Helix 12
12
A
127 134Right-handed alpha
Helix 13
13
A
189 193Right-handed alpha
Helix 14
14
B
60 63Right-handed 310
Helix 15
15
B
84 88Right-handed 310
Helix 16
16
B
157 159Right-handed 310
Helix 17
17
B
188 190Right-handed 310
Helix 18
18
B
202 205Right-handed 310
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There are 22 sheets in PDB entry 4MA3. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V,

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
L
3 6first strand
Strand 2
L
18 24anti-parallel
Strand 3
L
71 76anti-parallel
Strand 4
L
63 68anti-parallel
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There are 6 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
9 13first strand
Strand 2
L
107 112parallel
Strand 3
L
85 92anti-parallel
Strand 4
L
34 39anti-parallel
Strand 5
L
46 50anti-parallel
Strand 6
L
54 55anti-parallel
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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
9 13first strand
Strand 2
L
107 112parallel
Strand 3
L
85 92anti-parallel
Strand 4
L
101 103anti-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
L
120 124first strand
Strand 2
L
135 145anti-parallel
Strand 3
L
179 188anti-parallel
Strand 4
L
165 169anti-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
L
159 160first strand
Strand 2
L
151 156anti-parallel
Strand 3
L
197 203anti-parallel
Strand 4
L
211 216anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
2 6first strand
Strand 2
H
17 24anti-parallel
Strand 3
H
75 80anti-parallel
Strand 4
H
66 72anti-parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
10 11first strand
Strand 2
H
108 112parallel
Strand 3
H
89 95anti-parallel
Strand 4
H
33 38anti-parallel
Strand 5
H
44 50anti-parallel
Strand 6
H
56 58anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
10 11first strand
Strand 2
H
108 112parallel
Strand 3
H
89 95anti-parallel
Strand 4
H
103 104anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
121 125first strand
Strand 2
H
136 146anti-parallel
Strand 3
H
177 186anti-parallel
Strand 4
H
164 166anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
132 133first strand
Strand 2
H
136 146anti-parallel
Strand 3
H
177 186anti-parallel
Strand 4
H
170 171anti-parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
152 155first strand
Strand 2
H
196 201anti-parallel
Strand 3
H
206 211anti-parallel
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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
3 6first strand
Strand 2
A
18 24anti-parallel
Strand 3
A
71 76anti-parallel
Strand 4
A
63 68anti-parallel
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There are 6 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
9 13first strand
Strand 2
A
107 112parallel
Strand 3
A
85 92anti-parallel
Strand 4
A
34 39anti-parallel
Strand 5
A
46 50anti-parallel
Strand 6
A
54 55anti-parallel
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There are 4 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
9 13first strand
Strand 2
A
107 112parallel
Strand 3
A
85 92anti-parallel
Strand 4
A
101 103anti-parallel
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There are 4 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
120 124first strand
Strand 2
A
135 145anti-parallel
Strand 3
A
179 188anti-parallel
Strand 4
A
165 169anti-parallel
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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
159 160first strand
Strand 2
A
151 156anti-parallel
Strand 3
A
197 203anti-parallel
Strand 4
A
211 216anti-parallel
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There are 4 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
2 6first strand
Strand 2
B
17 24anti-parallel
Strand 3
B
75 80anti-parallel
Strand 4
B
66 72anti-parallel
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There are 6 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
10 11first strand
Strand 2
B
108 112parallel
Strand 3
B
89 95anti-parallel
Strand 4
B
33 38anti-parallel
Strand 5
B
44 50anti-parallel
Strand 6
B
56 58anti-parallel
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There are 4 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
10 11first strand
Strand 2
B
108 112parallel
Strand 3
B
89 95anti-parallel
Strand 4
B
103 104anti-parallel
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There are 4 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
121 125first strand
Strand 2
B
136 146anti-parallel
Strand 3
B
177 186anti-parallel
Strand 4
B
164 166anti-parallel
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There are 4 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
121 125first strand
Strand 2
B
136 146anti-parallel
Strand 3
B
177 186anti-parallel
Strand 4
B
170 171anti-parallel
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There are 3 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
152 155first strand
Strand 2
B
196 201anti-parallel
Strand 3
B
206 211anti-parallel
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