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


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 4XTD entry

There are 2 chains in PDB entry 4XTD (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 2PHE 521
B
 THR 2ILE 464
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 40 helices in PDB entry 4XTD. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
5 7Right-handed 310
Helix 2
AA2
A
8 13Right-handed alpha
Helix 3
AA3
A
14 16Right-handed 310
Helix 4
AA4
A
23 28Right-handed alpha
Helix 5
AA5
A
37 39Right-handed 310
Helix 6
AA6
A
51 55Right-handed 310
Helix 7
AA7
A
81 91Right-handed alpha
Helix 8
AA8
A
102 115Right-handed alpha
Helix 9
AA9
A
257 269Right-handed alpha
Helix 10
AB1
A
283 297Right-handed alpha
Helix 11
AB2
A
309 320Right-handed alpha
Helix 12
AB3
A
335 341Right-handed alpha
Helix 13
AB4
A
345 358Right-handed alpha
Helix 14
AB5
A
359 361Right-handed 310
Helix 15
AB6
A
372 382Right-handed alpha
Helix 16
AB7
A
390 395Right-handed alpha
Helix 17
AB8
A
419 425Right-handed alpha
Helix 18
AB9
A
459 479Right-handed alpha
Helix 19
AC1
A
482 492Right-handed alpha
Helix 20
AC2
A
501 509Right-handed alpha
Helix 21
AC3
B
5 7Right-handed 310
Helix 22
AC4
B
8 13Right-handed alpha
Helix 23
AC5
B
14 16Right-handed 310
Helix 24
AC6
B
23 28Right-handed alpha
Helix 25
AC7
B
37 39Right-handed 310
Helix 26
AC8
B
51 55Right-handed 310
Helix 27
AC9
B
81 91Right-handed alpha
Helix 28
AD1
B
102 115Right-handed alpha
Helix 29
AD2
B
257 269Right-handed alpha
Helix 30
AD3
B
283 297Right-handed alpha
Helix 31
AD4
B
309 320Right-handed alpha
Helix 32
AD5
B
335 340Right-handed alpha
Helix 33
AD6
B
345 358Right-handed alpha
Helix 34
AD7
B
359 361Right-handed 310
Helix 35
AD8
B
372 382Right-handed alpha
Helix 36
AD9
B
390 395Right-handed alpha
Helix 37
AE1
B
419 425Right-handed alpha
Helix 38
AE2
B
459 479Right-handed alpha
Helix 39
AE3
B
482 492Right-handed alpha
Helix 40
AE4
B
501 509Right-handed alpha
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There are 8 sheets in PDB entry 4XTD. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8,

There are 2 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
41 43first strand
Strand 2
A
497 499anti-parallel
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There are 2 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
59 60first strand
Strand 2
A
66 67anti-parallel
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There are 9 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
71 73first strand
Strand 2
A
94 97parallel
Strand 3
A
250 253parallel
Strand 4
A
273 276parallel
Strand 5
A
301 307parallel
Strand 6
A
323 326parallel
Strand 7
A
364 367parallel
Strand 8
A
386 389parallel
Strand 9
A
71 73parallel
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There are 3 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
404 405first strand
Strand 2
A
410 415anti-parallel
Strand 3
A
451 455anti-parallel
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There are 2 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
41 43first strand
Strand 2
B
497 499anti-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
B
59 60first strand
Strand 2
B
66 67anti-parallel
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There are 9 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
71 73first strand
Strand 2
B
94 97parallel
Strand 3
B
250 253parallel
Strand 4
B
273 276parallel
Strand 5
B
301 307parallel
Strand 6
B
323 326parallel
Strand 7
B
364 367parallel
Strand 8
B
386 389parallel
Strand 9
B
71 73parallel
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There are 3 strands in AA8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
404 406first strand
Strand 2
B
409 415anti-parallel
Strand 3
B
451 455anti-parallel
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