Contacts of the strand formed by residues 21 - 28 (chain D) in PDB entry 5MEP
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 ARG 21 (chain D).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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10D THR 3.7 0.7 - - - +
11D SER* 3.1 5.9 - - - -
12D VAL* 2.9 42.5 + - + +
14D ARG* 3.4 16.3 - - - +
20D PRO* 1.3 70.2 - - - +
22D PHE* 1.3 62.3 + - - +
23D ILE* 3.8 22.3 - - + +
37D ASP* 2.8 41.3 + - - -
38D SER* 3.6 6.5 - - - -
39D ASP* 3.7 23.6 + - - +
101E EDO 3.0 32.3 + - - +
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Residues in contact with PHE 22 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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9D PHE* 3.8 32.5 - + + -
10D THR 3.4 7.6 - - - -
11D SER* 3.3 19.7 - - - +
20D PRO* 4.3 4.3 - - + +
21D ARG* 1.3 75.7 - - - +
23D ILE* 1.3 65.3 + - - +
24D ALA* 4.0 12.1 - - + -
36D PHE* 3.7 25.6 - + - -
37D ASP* 3.5 1.4 - - - +
38D SER* 2.8 44.7 + - - +
67D VAL* 3.7 14.4 - - + -
70D HIS* 4.2 2.5 - - + -
71D SER* 3.3 45.8 - - - -
74D HIS* 4.1 16.2 - + - -
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Residues in contact with ILE 23 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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8D PHE 4.0 0.9 - - - +
9D PHE* 3.6 2.1 - - - -
10D THR* 2.9 41.0 + - + +
21D ARG* 3.8 37.0 - - + +
22D PHE* 1.3 82.1 - - - +
24D ALA* 1.3 68.9 + - - +
25D VAL* 4.6 4.7 - - + -
35D ARG* 6.3 1.6 - - - -
36D PHE 3.4 7.0 - - - +
37D ASP* 4.0 12.1 - - + +
53E ASP* 5.3 3.4 - - + -
54E LEU* 4.0 52.4 - - + +
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Residues in contact with ALA 24 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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7D TYR* 6.5 0.4 - - + -
8D PHE 3.4 4.7 - - - -
9D PHE* 3.7 28.0 - - + -
22D PHE* 4.0 14.8 - - + -
23D ILE* 1.3 75.1 - - - +
25D VAL* 1.3 66.8 + - - +
34D VAL* 6.0 0.4 - - - -
35D ARG* 3.3 3.6 - - - +
36D PHE* 2.8 36.0 + - + +
45D MET* 5.9 1.3 - - + -
67D VAL* 4.0 16.8 - - + -
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Residues in contact with VAL 25 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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7D TYR* 3.5 7.1 - - - -
8D PHE* 2.9 38.6 + - + +
9D PHE* 5.7 0.4 - - - -
23D ILE* 4.6 4.0 - - + -
24D ALA* 1.3 81.7 - - - +
26D GLY* 1.3 61.4 + - - +
27D TYR* 3.2 35.0 - - + +
32D GLN* 3.6 28.5 - - + +
34D VAL* 3.5 5.8 - - - +
35D ARG* 4.2 2.5 - - + +
53E ASP* 3.8 18.4 - - + +
54E LEU 3.8 17.7 - - - +
55E SER* 4.4 6.7 - - - +
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Residues in contact with GLY 26 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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6D ARG 3.5 6.7 - - - -
7D TYR* 3.7 16.8 - - - -
25D VAL* 1.3 75.4 - - - +
27D TYR* 1.3 62.1 + - - -
32D GLN* 3.4 6.2 - - - +
33D PHE* 2.8 31.7 + - - -
34D VAL* 3.1 20.7 + - - +
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Residues in contact with TYR 27 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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5D MET* 3.4 7.4 - - - +
6D ARG* 2.8 41.7 + - + +
8D PHE* 3.6 20.9 - + + -
25D VAL* 3.2 28.7 - - + +
26D GLY* 1.3 73.6 - - - -
28D VAL* 1.3 62.4 + - - +
29D ASP 3.7 13.5 - - - +
30D ASP* 4.0 9.2 - - - -
31D THR 3.3 14.1 - - - -
32D GLN* 3.4 38.5 + - + +
33D PHE* 3.6 2.6 - - - -
53E ASP 5.3 1.7 + - - -
55E SER* 3.6 21.3 + - - -
63E TYR* 3.1 27.1 + - - -
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Residues in contact with VAL 28 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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4D SER 3.2 10.5 - - - +
5D MET* 4.6 3.8 - - + -
27D TYR* 1.3 75.6 - - - +
29D ASP* 1.3 75.0 + - - +
30D ASP 3.1 0.5 + - - -
31D THR* 3.0 24.6 + - - +
33D PHE* 3.7 19.7 - - + -
51D TRP* 4.0 16.4 - - + -
168D LEU* 4.3 8.1 - - + -
171D TYR* 4.2 15.9 - - + -
172D LEU* 4.1 17.0 - - + -
179D LEU* 3.6 30.9 - - + +
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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