Analysis of interatomic Contacts of Structural Units in PDB entry:
1X27


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 1X27 entry

There are 16 chains in PDB entry 1X27 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 64THR 226
B
 MET 63THR 226
C
 MET 63THR 226
D
 ASN 64THR 226
E
 ASN 64THR 226
F
 ASN 64THR 226
I
 ASP 761ASP 761
I
 ASP 763VAL 765
J
 ASP 761ASP 761
J
 ASP 763HIS 766
K
 ASP 763HIS 766
L
 ASP 761ASP 761
L
 ASP 763HIS 766
M
 ASP 763HIS 766
N
 ASP 761ASP 761
N
 ASP 763HIS 766
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 12 helices in PDB entry 1X27. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
133 142Right-handed alpha
Helix 2
2
A
201 211Right-handed alpha
Helix 3
3
B
133 143Right-handed alpha
Helix 4
4
B
201 212Right-handed alpha
Helix 5
5
C
133 143Right-handed alpha
Helix 6
6
C
201 212Right-handed alpha
Helix 7
7
D
133 143Right-handed alpha
Helix 8
8
D
201 210Right-handed alpha
Helix 9
9
E
133 143Right-handed alpha
Helix 10
10
E
201 211Right-handed alpha
Helix 11
11
F
133 142Right-handed alpha
Helix 12
12
F
201 212Right-handed alpha
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There are 13 sheets in PDB entry 1X27. 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,

There are 5 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
108 112first strand
Strand 2
A
97 102anti-parallel
Strand 3
A
87 94anti-parallel
Strand 4
A
65 68anti-parallel
Strand 5
A
116 118anti-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
A
197 199first strand
Strand 2
A
191 194anti-parallel
Strand 3
A
176 185anti-parallel
Strand 4
A
163 170anti-parallel
Strand 5
A
150 155anti-parallel
Strand 6
A
222 223parallel
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There are 5 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
108 112first strand
Strand 2
B
97 102anti-parallel
Strand 3
B
87 94anti-parallel
Strand 4
B
65 68anti-parallel
Strand 5
B
116 118anti-parallel
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There are 6 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
128 129first strand
Strand 2
B
150 155parallel
Strand 3
B
163 169anti-parallel
Strand 4
B
177 185anti-parallel
Strand 5
B
191 194anti-parallel
Strand 6
B
197 199anti-parallel
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There are 3 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
128 129first strand
Strand 2
B
150 155parallel
Strand 3
B
222 223parallel
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There are 5 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
108 112first strand
Strand 2
C
97 102anti-parallel
Strand 3
C
87 94anti-parallel
Strand 4
C
65 68anti-parallel
Strand 5
C
116 118anti-parallel
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There are 5 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
191 192first strand
Strand 2
C
175 185anti-parallel
Strand 3
C
163 171anti-parallel
Strand 4
C
150 155anti-parallel
Strand 5
C
222 223parallel
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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
D
108 112first strand
Strand 2
D
97 102anti-parallel
Strand 3
D
87 94anti-parallel
Strand 4
D
65 68anti-parallel
Strand 5
D
116 118anti-parallel
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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
D
197 199first strand
Strand 2
D
191 194anti-parallel
Strand 3
D
177 185anti-parallel
Strand 4
D
163 169anti-parallel
Strand 5
D
150 154anti-parallel
Strand 6
D
222 223parallel
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There are 5 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
108 112first strand
Strand 2
E
97 102anti-parallel
Strand 3
E
87 94anti-parallel
Strand 4
E
65 68anti-parallel
Strand 5
E
116 118anti-parallel
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There are 6 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
197 199first strand
Strand 2
E
191 194anti-parallel
Strand 3
E
175 185anti-parallel
Strand 4
E
163 171anti-parallel
Strand 5
E
150 155anti-parallel
Strand 6
E
222 223parallel
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There are 5 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
108 112first strand
Strand 2
F
97 102anti-parallel
Strand 3
F
87 90anti-parallel
Strand 4
F
65 68anti-parallel
Strand 5
F
116 118anti-parallel
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There are 5 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
191 192first strand
Strand 2
F
176 185anti-parallel
Strand 3
F
163 170anti-parallel
Strand 4
F
150 155anti-parallel
Strand 5
F
222 223parallel
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