Analysis of interatomic Contacts of Structural Units in PDB entry:
4XL4


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 4XL4 entry

There are 2 chains in PDB entry 4XL4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1CYS 392
B
 MET 1CYS 392
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 34 helices in PDB entry 4XL4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
25 42Right-handed alpha
Helix 2
AA2
A
44 48Right-handed 310
Helix 3
AA3
A
64 73Right-handed alpha
Helix 4
AA4
A
86 88Right-handed 310
Helix 5
AA5
A
89 104Right-handed alpha
Helix 6
AA6
A
142 148Right-handed alpha
Helix 7
AA7
A
156 168Right-handed alpha
Helix 8
AA8
A
171 192Right-handed alpha
Helix 9
AA9
A
224 230Right-handed alpha
Helix 10
AB1
A
261 267Right-handed alpha
Helix 11
AB2
A
284 289Right-handed 310
Helix 12
AB3
A
290 304Right-handed alpha
Helix 13
AB4
A
306 310Right-handed 310
Helix 14
AB5
A
319 331Right-handed alpha
Helix 15
AB6
A
333 337Right-handed 310
Helix 16
AB7
A
342 347Right-handed alpha
Helix 17
AB8
A
349 369Right-handed alpha
Helix 18
AB9
B
25 42Right-handed alpha
Helix 19
AC1
B
44 48Right-handed 310
Helix 20
AC2
B
64 73Right-handed alpha
Helix 21
AC3
B
86 88Right-handed 310
Helix 22
AC4
B
89 104Right-handed alpha
Helix 23
AC5
B
142 148Right-handed alpha
Helix 24
AC6
B
156 169Right-handed alpha
Helix 25
AC7
B
171 192Right-handed alpha
Helix 26
AC8
B
224 231Right-handed alpha
Helix 27
AC9
B
261 267Right-handed alpha
Helix 28
AD1
B
284 289Right-handed 310
Helix 29
AD2
B
290 304Right-handed alpha
Helix 30
AD3
B
306 310Right-handed 310
Helix 31
AD4
B
319 331Right-handed alpha
Helix 32
AD5
B
333 337Right-handed 310
Helix 33
AD6
B
342 347Right-handed alpha
Helix 34
AD7
B
349 369Right-handed alpha
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There are 7 sheets in PDB entry 4XL4. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7,

There are 7 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
312 315first strand
Strand 2
A
372 379parallel
Strand 3
A
383 391anti-parallel
Strand 4
A
273 282anti-parallel
Strand 5
A
4 11anti-parallel
Strand 6
A
250 260anti-parallel
Strand 7
A
15 16anti-parallel
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There are 10 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
15 16first strand
Strand 2
A
250 260anti-parallel
Strand 3
A
109 117anti-parallel
Strand 4
A
50 54parallel
Strand 5
A
81 85parallel
Strand 6
B
81 85anti-parallel
Strand 7
B
50 54parallel
Strand 8
B
109 117parallel
Strand 9
B
250 260anti-parallel
Strand 10
B
15 16anti-parallel
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There are 15 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
312 315first strand
Strand 2
A
372 379parallel
Strand 3
A
383 391anti-parallel
Strand 4
A
273 282anti-parallel
Strand 5
A
4 11anti-parallel
Strand 6
A
250 260anti-parallel
Strand 7
A
109 117anti-parallel
Strand 8
A
50 54parallel
Strand 9
A
81 85parallel
Strand 10
B
81 85anti-parallel
Strand 11
B
50 54parallel
Strand 12
B
109 117parallel
Strand 13
B
250 260anti-parallel
Strand 14
B
4 12anti-parallel
Strand 15
B
199 200parallel
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There are 5 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
4 12first strand
Strand 2
B
273 282anti-parallel
Strand 3
B
383 390anti-parallel
Strand 4
B
372 379anti-parallel
Strand 5
B
312 315parallel
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There are 4 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
140 141first strand
Strand 2
A
123 125anti-parallel
Strand 3
B
123 125anti-parallel
Strand 4
B
140 141anti-parallel
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There are 2 strands in AA6 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
210 213anti-parallel
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There are 2 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
202 205first strand
Strand 2
B
210 213anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il