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


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 4CAT entry

There are 2 chains in PDB entry 4CAT (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 UNK 1UNK 659
B
 UNK 1UNK 659
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 32 helices in PDB entry 4CAT. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
A1
A
41 52Right-handed alpha
Helix 2
A2
A
142 150Right-handed alpha
Helix 3
A3
A
165 174Right-handed alpha
Helix 4
A4
A
177 184Right-handed alpha
Helix 5
A5
A
232 239Right-handed alpha
Helix 6
A6
A
244 253Right-handed alpha
Helix 7
A7
A
307 313Right-handed alpha
Helix 8
A8
A
331 345Right-handed alpha
Helix 9
A9
A
425 433Right-handed alpha
Helix 10
A10
A
435 450Right-handed alpha
Helix 11
A11
A
454 469Right-handed alpha
Helix 12
A12
A
471 481Right-handed alpha
Helix 13
A13
A
522 535Right-handed alpha
Helix 14
A14
A
594 605Right-handed alpha
Helix 15
A15
A
613 621Right-handed alpha
Helix 16
A16
A
634 644Right-handed alpha
Helix 17
B1
B
41 52Right-handed alpha
Helix 18
B2
B
142 150Right-handed alpha
Helix 19
B3
B
165 174Right-handed alpha
Helix 20
B4
B
177 184Right-handed alpha
Helix 21
B5
B
232 239Right-handed alpha
Helix 22
B6
B
244 253Right-handed alpha
Helix 23
B7
B
307 313Right-handed alpha
Helix 24
B8
B
331 345Right-handed alpha
Helix 25
B9
B
425 433Right-handed alpha
Helix 26
B10
B
435 450Right-handed alpha
Helix 27
B11
B
454 469Right-handed alpha
Helix 28
B12
B
471 481Right-handed alpha
Helix 29
B13
B
522 535Right-handed alpha
Helix 30
B14
B
594 605Right-handed alpha
Helix 31
B15
B
613 621Right-handed alpha
Helix 32
B16
B
634 644Right-handed alpha
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There are 4 sheets in PDB entry 4CAT. Click on sheet of interest to get list of strands forming it: B1, B2, B3, B4,

There are 9 strands in B1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
65 79first strand
Strand 2
A
92 100anti-parallel
Strand 3
A
110 122anti-parallel
Strand 4
A
125 132anti-parallel
Strand 5
A
193 209anti-parallel
Strand 6
A
211 227anti-parallel
Strand 7
A
255 269anti-parallel
Strand 8
A
290 305anti-parallel
Strand 9
A
65 79anti-parallel
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There are 5 strands in B2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
507 520first strand
Strand 2
A
538 547parallel
Strand 3
A
563 570parallel
Strand 4
A
608 612parallel
Strand 5
A
628 632parallel
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There are 9 strands in B3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
65 79first strand
Strand 2
B
92 100anti-parallel
Strand 3
B
110 122anti-parallel
Strand 4
B
125 132anti-parallel
Strand 5
B
193 209anti-parallel
Strand 6
B
211 227anti-parallel
Strand 7
B
255 269anti-parallel
Strand 8
B
290 305anti-parallel
Strand 9
B
65 79anti-parallel
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There are 5 strands in B4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
507 520first strand
Strand 2
B
538 547parallel
Strand 3
B
563 570parallel
Strand 4
B
608 612parallel
Strand 5
B
628 632parallel
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