Contacts of the helix formed by residues 47 - 57 (chain B) in PDB entry 1YDY
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 THR 47 (chain B).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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44B PRO* 2.9 23.5 + - + +
45B GLU 2.9 6.4 + - - +
46B HIS* 1.3 80.2 - - - +
48B LEU* 1.3 67.0 + - - +
49B PRO* 3.6 12.0 - - - +
50B ALA* 2.9 15.3 + - - +
51B LYS* 2.8 19.4 + - - +
117B PHE* 3.5 30.5 - - + -
143B PHE* 3.9 27.5 - - + -
144B ARG 4.0 11.9 - - - +
146B HIS* 4.2 6.3 - - - -
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Residues in contact with LEU 48 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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49A PRO* 3.8 14.4 - - + -
141A SER* 3.8 17.0 - - - +
142A ASP* 3.6 26.2 - - + +
143A PHE* 5.0 2.5 - - + -
46B HIS 3.6 0.2 + - - -
47B THR* 1.3 71.5 - - - +
49B PRO* 1.4 61.2 - - + +
51B LYS* 3.1 5.0 + - + -
52B ALA* 2.7 35.7 + - - +
144B ARG 5.4 0.2 + - - -
146B HIS* 3.5 46.8 + - + +
150B GLU* 4.9 1.8 - - + +
151B GLU* 4.4 8.7 - - + -
154B PHE* 3.5 39.2 - - + -
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Residues in contact with PRO 49 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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48A LEU* 3.7 26.2 - - + +
49A PRO* 3.9 14.1 - - + -
52A ALA* 3.3 13.7 - - + +
154A PHE* 3.9 22.0 - - + -
43B LEU* 3.3 12.6 - - + +
47B THR* 3.5 14.6 - - - +
48B LEU* 1.4 93.2 - - + +
50B ALA* 1.3 62.9 + - - +
52B ALA 3.2 0.2 + - - -
53B MET 3.0 19.9 + - - -
142B ASP 5.8 0.2 - - - +
143B PHE* 4.2 15.3 - - + -
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Residues in contact with ALA 50 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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37B ARG 4.3 8.7 - - - +
38B GLY* 4.3 0.2 - - - -
39B ALA* 3.0 32.5 + - - +
43B LEU* 3.7 25.0 - - + +
44B PRO 3.3 26.7 - - - +
47B THR* 2.9 12.7 + - - +
49B PRO* 1.3 79.2 - - - +
51B LYS* 1.3 57.1 + - - +
53B MET* 3.5 0.8 + - - -
54B ALA* 3.1 15.4 + - - +
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Residues in contact with LYS 51 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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37B ARG 3.6 4.5 - - - -
38B GLY* 3.3 26.2 - - - +
46B HIS* 3.0 38.6 + - - +
47B THR 2.8 15.5 + - - +
48B LEU* 3.1 11.6 + - + +
50B ALA* 1.3 75.7 - - - +
52B ALA* 1.3 64.2 + - - +
54B ALA* 3.4 4.2 + - - +
55B TYR* 3.0 25.1 + - - +
62B LEU* 3.8 26.1 - - + +
63B GLU 3.1 17.6 + - - +
151B GLU* 2.8 37.7 + - - +
154B PHE* 3.8 16.8 - - + -
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Residues in contact with ALA 52 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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43A LEU* 3.8 9.4 - - + -
49A PRO* 3.3 28.9 - - + +
52A ALA* 4.1 1.8 - - + -
53A MET* 3.7 9.9 - - + +
48B LEU 2.7 20.1 + - - +
49B PRO 3.6 4.9 - - - +
51B LYS* 1.3 72.7 - - - +
53B MET* 1.3 58.8 + - - +
55B TYR* 3.3 5.9 + - - +
56B ALA* 2.9 29.3 + - - +
154B PHE* 3.7 17.7 - - + -
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Residues in contact with MET 53 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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52A ALA* 3.8 21.5 - - + +
55A TYR* 4.1 18.6 - - + -
56A ALA* 4.0 16.8 - - + -
158A LEU* 3.8 24.0 - - + -
162A THR* 5.1 2.5 - - + -
39B ALA* 3.7 7.6 - - + -
42B TYR* 3.7 36.3 - - - -
43B LEU* 4.0 11.7 - - + -
49B PRO 3.0 16.3 + - - +
50B ALA 3.8 4.3 - - - +
52B ALA* 1.3 80.0 - - - +
54B ALA* 1.3 56.5 + - - +
56B ALA* 3.3 1.2 + - - +
57B GLN* 2.9 52.9 + - - +
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Residues in contact with ALA 54 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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35B ALA* 3.5 32.3 - - + -
38B GLY* 3.8 3.1 - - - -
39B ALA* 3.6 22.2 - - - +
50B ALA 3.1 10.2 + - - +
51B LYS 3.7 4.3 - - - +
52B ALA 3.4 0.2 - - - -
53B MET* 1.3 77.1 - - - +
55B TYR* 1.3 62.3 + - - +
57B GLN* 3.3 8.7 + - - +
58B GLY 3.3 0.5 + - - -
59B ALA* 3.1 25.2 + - - +
62B LEU* 4.1 6.1 - - + -
348B PRO* 4.0 7.6 - - + -
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Residues in contact with TYR 55 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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53A MET* 4.0 12.3 - - + -
51B LYS 3.0 17.1 + - - +
52B ALA 3.5 4.3 - - - +
54B ALA* 1.3 77.9 - - - +
56B ALA* 1.3 64.2 + - - +
58B GLY* 3.1 14.6 + - - -
59B ALA 4.3 4.9 + - - +
62B LEU* 4.2 17.0 - - + +
155B VAL* 4.3 6.7 - - + -
158B LEU* 3.6 32.1 - - + -
159B ASN* 2.6 30.6 + - - -
162B THR* 3.0 36.4 + - + -
164B LYS* 3.5 29.5 + - + +
166B ILE* 3.2 36.6 - - + -
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Residues in contact with ALA 56 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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53A MET* 3.9 28.7 - - + +
56A ALA* 3.7 25.8 - - + +
57A GLN* 4.1 14.4 + - + +
52B ALA 2.9 17.1 + - - +
53B MET 3.7 0.2 - - - +
55B TYR* 1.3 78.6 - - - +
57B GLN* 1.3 61.1 + - - +
58B GLY 3.1 1.7 + - - -
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Residues in contact with GLN 57 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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56A ALA* 4.1 18.0 - - + +
162A THR* 6.2 0.4 - - - +
39B ALA* 3.9 1.2 - - - +
42B TYR* 3.5 22.3 - - - -
53B MET* 2.9 40.7 + - - +
54B ALA 3.3 4.7 + - - +
55B TYR 3.2 0.6 - - - -
56B ALA* 1.3 76.8 - - - +
58B GLY* 1.3 57.8 + - - +
59B ALA 3.7 0.9 - - - -
348B PRO* 3.6 20.4 - - + +
349B ASP* 3.4 44.6 + - + +
352B VAL* 3.3 25.2 - - - +
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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