Contacts of the helix formed by residues 425 - 438 (chain A) in PDB entry 5OC9
Residue contacts within the protein 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). A
short description of the analytical approach
is given at the end of the page.
Note:
Non-standard 3 letter residue
codes indicate a heterogroup. To identify
and analyse, use LPC software
Legend:
Dist - nearest distance (Å) between atoms of two residues
Surf - contact surface area (Å2) between two residues
HB - hydrophilic-hydrophilic contact (hydrogen bond)
Arom - aromatic-aromatic contact
Phob - hydrophobic-hydrophobic contact
DC - hydrophobic-hydrophilic contact (destabilizing contact)
+/- - indicates presence/absence of a specific contacts
* - indicates residues forming contacts by their side chain
(including CA atoms)
Residues in contact with ASP 425 (chain A).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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419A ILE* 3.0 17.9 + - + +
423A LEU* 4.2 14.8 - - + +
424A LYS* 1.3 71.6 - - - +
426A MET* 1.3 58.5 + - - +
427A LYS* 3.4 12.1 + - - +
428A LEU* 3.2 36.9 + - + +
429A LEU* 3.0 22.3 + - - +
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Residues in contact with MET 426 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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420A ALA* 3.4 26.9 - - - +
424A LYS* 3.7 18.4 + - + +
425A ASP* 1.3 69.7 + - - +
427A LYS* 1.4 58.4 + - - +
428A LEU 3.4 0.2 - - - -
429A LEU* 3.8 14.7 - - - +
430A ARG* 3.0 54.1 + - - +
514A VAL* 4.0 29.5 - - + +
573A LEU* 3.9 15.5 - - + +
576A MET* 4.6 11.9 - - + -
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Residues in contact with LYS 427 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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425A ASP* 3.3 8.9 + - - +
426A MET* 1.4 77.8 - - - +
428A LEU* 1.4 56.3 + - - +
430A ARG* 3.7 12.5 - - - +
431A GLN* 3.2 27.2 + - - +
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Residues in contact with LEU 428 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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336A TYR* 6.1 0.7 - - - +
337A PHE* 5.3 2.5 - - + -
340A GLU* 5.3 10.5 - - - +
419A ILE* 3.8 32.1 - - + -
423A LEU* 4.3 13.5 - - + -
425A ASP* 3.2 30.0 + - - +
427A LYS* 1.4 76.0 - - - +
429A LEU* 1.4 55.7 + - - +
431A GLN* 3.4 8.5 + - + -
432A SER* 2.7 41.8 + - - +
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Residues in contact with LEU 429 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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416A LEU* 3.4 46.9 - - + +
419A ILE* 3.5 10.9 - - + +
420A ALA* 3.7 21.1 - - + +
425A ASP 3.0 17.0 + - - +
426A MET* 3.8 11.2 - - - +
427A LYS 3.4 0.2 - - - -
428A LEU* 1.4 73.2 - - - +
430A ARG* 1.4 58.5 + - - +
432A SER* 3.2 5.1 + - - -
433A LEU* 2.9 41.2 + - + +
511A PHE* 3.8 20.4 - - + -
514A VAL* 3.7 26.7 - - + -
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Residues in contact with ARG 430 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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238A GLU* 3.2 29.0 + - - -
243A TYR* 4.5 5.1 + - - -
426A MET* 3.0 35.7 + - - +
427A LYS* 3.7 11.0 - - - +
429A LEU* 1.4 74.3 - - - +
431A GLN* 1.4 52.1 + - - +
433A LEU* 3.3 3.8 + - - -
434A ALA* 2.8 35.5 + - - +
513A CYS 4.9 0.2 + - - -
514A VAL* 2.9 45.7 + - + +
515A TYR* 3.5 24.4 - - + -
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Residues in contact with GLN 431 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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427A LYS 3.2 14.2 + - - +
428A LEU* 3.7 11.7 - - + +
430A ARG* 1.4 77.6 - - - +
432A SER* 1.4 59.0 + - - +
434A ALA* 3.6 8.1 + - - +
435A THR* 2.9 29.5 + - - -
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Residues in contact with SER 432 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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416A LEU* 4.1 21.1 - - - -
419A ILE* 3.5 19.4 - - - +
428A LEU* 2.7 29.4 + - - +
429A LEU* 3.2 8.5 + - - -
431A GLN* 1.4 75.7 - - - +
433A LEU* 1.4 60.3 + - - +
435A THR* 3.5 7.0 + - - -
436A LEU* 3.2 28.5 + - - +
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Residues in contact with LEU 433 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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416A LEU* 3.9 14.8 - - + -
429A LEU* 2.9 40.1 + - + +
430A ARG* 3.7 4.0 - - - +
432A SER* 1.4 73.2 - - - +
434A ALA* 1.4 56.2 + - - +
436A LEU* 3.3 4.9 + - - +
437A LEU* 2.8 45.8 + - + +
507A TYR* 3.8 41.1 - - + +
511A PHE* 3.8 27.4 - - + -
514A VAL* 5.0 1.1 - - + -
515A TYR* 3.8 32.8 - - + +
518A ALA* 6.2 0.4 - - + -
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Residues in contact with ALA 434 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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430A ARG 2.8 17.7 + - - +
431A GLN* 3.7 10.1 - - - +
432A SER 3.4 0.2 - - - -
433A LEU* 1.4 72.6 - - - +
435A THR* 1.4 60.0 + - - +
438A ILE* 2.9 41.6 + - + +
439A THR* 4.1 0.7 + - - -
515A TYR* 3.5 27.1 - - + +
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Residues in contact with THR 435 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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431A GLN 2.9 16.3 + - - -
432A SER* 3.7 6.0 - - - -
433A LEU 3.3 0.2 - - - -
434A ALA* 1.4 75.8 - - - +
436A LEU* 1.4 57.4 + - - +
439A THR* 3.3 25.7 + - + +
440A SER* 2.8 36.0 + - - +
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Residues in contact with LEU 436 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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412A CYS* 4.4 11.4 - - - +
416A LEU* 3.8 28.9 - - + -
432A SER 3.2 18.2 + - - +
433A LEU* 3.3 8.9 + - - +
435A THR* 1.4 79.9 - - + +
437A LEU* 1.3 58.9 + - + +
440A SER* 3.4 23.1 + - - +
441A GLN* 3.4 18.7 - - - +
507A TYR* 3.5 47.4 + - + +
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Residues in contact with LEU 437 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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433A LEU* 2.8 31.4 + - + +
434A ALA 4.4 0.9 - - - +
436A LEU* 1.3 72.1 - - + +
438A ILE* 1.3 62.8 + - + +
441A GLN* 2.8 36.5 + - - +
504A GLN* 5.2 3.8 - - + +
507A TYR* 3.7 34.3 - - + -
508A VAL* 5.6 0.2 - - + -
515A TYR* 3.7 30.7 - - + -
518A ALA* 3.7 31.2 - - + +
521A PHE* 4.0 19.9 - - + +
522A ALA* 4.6 9.4 - - + +
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Residues in contact with ILE 438 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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434A ALA* 2.9 25.7 + - + +
437A LEU* 1.3 80.5 - - + +
439A THR* 1.4 70.9 + - - +
440A SER 3.4 0.9 - - - -
441A GLN* 3.2 5.9 + - - +
442A ILE* 3.1 41.8 + - + +
515A TYR* 3.6 20.9 - - - +
521A PHE* 3.9 32.5 - - + -
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A short description of the
analytical approach
The contact analysis used in this page
is based upon the approach
developed in:
Sobolev V., Wade R.C., Vriend G.
and Edelman M. PROTEINS (1996)
25, 120-129.
Contact legitimacy depends on the hydrophobic-hydrophilic
properties of the contacting atoms. In order to
define it, for each inter-atomic contact,
eight atom classes have been introduced:
I Hydrophilic - N and O that can donate and accept hydrogen bonds
(e.g., oxygen of hydroxyl group of Ser. or Thr)
II Acceptor - N or O that can only accept a hydrogen bond
III Donor - N that can only donate a hydrogen bond
IV Hydrophobic - Cl, Br, I and all C atoms that are not in
aromatic rings and do not have a covalent bond to
a N or O atom
V Aromatic - C in aromatic rings irrespective of any other
bonds formed by the atom
VI Neutral - C atoms that have a covalent bond to at least one
atom of class I or two or more atoms from class II
or III; atoms; S, F, P, and metal atoms in all cases
VII Neutral-donor - C atoms that have a covalent bond with only one
atom of class III
VIII Neutral-acceptor - C atoms that have a covalent bond with only
one atom of class II
For each pair of contacts the state of legitimacy
is shown below:
Legend:
+, legitimate
-, illegitimate
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Atomic class I II III IV V VI VII VIII
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I (Hydrophilic) + + + - + + + +
II (Acceptor) + - + - + + + -
III (Donor) + + - - + + - +
IV (Hydrophobic) - - - + + + + +
V (Aromatic) + + + + + + + +
VI (Neutral) + + + + + + + +
VII (Neutral-donor) + + - + + + - +
VIII (Neutral-acceptor) + - + + + + + -
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Warning!
Atom classes for heterogroups are automatically
assigned based on the atomic coordinates. However, in
three cases (see below) the automatic assignment
is currently ambiguous. In these
cases, the user is advised to manually analyse
the full list of contacts using
LPC software.
1. Carbon atoms belonging to a 4-, 5- or 6-member ring are
considered "aromatic" (Class V) if the ring is approximately
planar, and "hydrophobic" (Class IV) or "neutral" (Classes
VI, VII, VIII) if the ring is non-planar.
2. The oxygen atom of a carbonyl or hydroxy group is considered
"hydroxy" (Class I) if the CO bond is longer than 1.29 Å, and
"carbonyl" (Class II) if shorter.
3. All nitrogen atoms are considered "hydrophilic" (Class I).
Please E-mail any
questions and/or suggestions concerning this page to
Vladimir.Sobolev@weizmann.ac.il