Contacts of the helix formed by residues 1416 - 1420 (chain H) in PDB entry 2BT4
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 ASN1416 (chain H).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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1414H GLY 3.6 0.2 + - - -
1415H PRO* 1.3 87.1 + - - +
1417H LEU* 1.3 58.8 + - - +
1418H ASN* 3.1 14.5 - - - +
1419H LEU* 3.1 15.2 + - - +
1457H ASN* 2.9 11.5 + - - -
1482H ALA* 5.2 0.4 - - - +
1560H CA2 3.3 31.1 - - + -
1663I VAL* 3.4 4.9 - - - +
1667I HIS* 2.7 29.4 + - - +
1689I ALA* 3.3 23.4 + - - +
1692I ASP* 3.4 17.7 + - + +
1693I ALA* 3.2 21.5 - - - +
1696I THR* 4.7 4.9 - - + -
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Residues in contact with LEU1417 (chain H).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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1413H ASN* 3.8 12.8 - - + +
1414H GLY 3.5 32.6 + - - +
1415H PRO 3.1 5.0 + - - +
1416H ASN* 1.3 73.2 - - - +
1418H ASN* 1.3 66.3 + - - +
1419H LEU 3.0 3.3 + - - -
1420H LEU* 3.1 27.5 + - + +
1428H TYR* 6.0 0.2 - - + -
1433H LEU* 3.6 21.1 - - + +
1455H GLN* 4.4 4.5 - - + -
1479H ASN* 3.7 35.4 - - - +
1481H ALA* 4.1 4.0 - - + -
1507H ILE* 4.0 17.7 - - + -
1538H TYR* 4.2 1.3 - - - +
1560H CA2 3.8 31.0 - - + +
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Residues in contact with ASN1418 (chain H).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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1416H ASN* 3.1 23.7 + - - -
1417H LEU* 1.3 72.9 + - - +
1419H LEU* 1.3 73.2 + - - +
1420H LEU 3.3 2.6 + - - +
1422H GLN* 4.2 5.2 - - - +
1433H LEU* 4.2 16.4 + - + +
1455H GLN* 3.5 27.4 + - - +
1457H ASN* 3.7 4.0 - - - +
1667I HIS* 3.2 29.2 + - - +
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Residues in contact with LEU1419 (chain H).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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1416H ASN 3.1 10.0 + - - +
1417H LEU 3.0 1.6 - - - -
1418H ASN* 1.3 98.0 - - - +
1420H LEU* 1.3 67.5 + - - +
1422H GLN* 3.1 41.1 + - + +
1560H CA2 3.3 16.6 - - + -
1667I HIS* 3.7 32.8 - - + +
1670I ARG* 3.9 25.6 - - - +
1696I THR* 3.8 22.0 - - + +
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Residues in contact with LEU1420 (chain H).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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1417H LEU* 3.1 21.4 + - + +
1418H ASN 3.3 2.0 - - - +
1419H LEU* 1.3 80.3 - - - +
1421H GLY* 1.3 59.0 + - - +
1422H GLN* 3.4 5.9 + - - +
1428H TYR* 3.9 29.8 - - + +
1431H ASP 3.4 18.2 - - - +
1432H THR* 3.4 18.5 - - - +
1433H LEU* 4.0 17.2 + - + +
1436H VAL* 3.8 27.8 - - + -
1507H ILE* 3.9 30.3 - - + -
1535H VAL* 4.3 5.6 - - + -
1560H CA2 3.8 19.6 - - + -
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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