Contacts of the helix formed by residues 378 - 382 (chain D) in PDB entry 4BGG
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 378 (chain D).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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336D ASP* 2.8 27.2 + - - -
338D LYS* 2.9 34.5 + - + +
377D GLY* 1.3 70.6 - - - -
379D LYS* 1.3 65.6 + - - +
380D ARG* 4.1 9.2 - - + +
381D TYR* 3.1 37.5 + - + +
382D MET* 3.5 9.1 + - - +
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Residues in contact with LYS 379 (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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376D VAL* 4.6 17.0 - - - +
377D GLY 4.5 3.3 + - - +
378D THR* 1.3 73.2 - - - +
380D ARG* 1.3 63.2 + - - +
381D TYR 3.1 1.4 + - - -
382D MET* 3.1 38.2 + - + +
438D ASP* 6.2 0.2 - - - +
439D PRO* 3.4 27.6 - - + +
440D SER* 4.4 2.2 - - - +
441D PHE* 3.7 34.8 - - - +
444D MET* 3.6 24.0 - - + +
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Residues in contact with ARG 380 (chain D).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
378D THR* 4.1 6.6 - - + +
379D LYS* 1.3 78.0 - - - +
381D TYR* 1.3 74.1 + - + +
382D MET 3.8 1.2 + - - +
409D LEU* 3.9 10.4 - - - +
429D PRO* 4.1 26.2 - - - +
430D PRO* 2.8 58.5 + - + +
431D PHE* 3.9 12.6 - - + -
432D TYR* 4.0 4.4 - - - +
435D VAL* 3.8 18.1 + - - +
436D PRO 3.5 22.8 + - - -
437D ASN* 4.1 14.6 + - - +
438D ASP 4.3 1.0 - - - +
439D PRO* 3.8 19.4 - - + +
444D MET* 3.5 27.2 - - + +
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Residues in contact with TYR 381 (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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336D ASP* 5.8 0.9 - - - +
337D LEU 3.6 20.9 - - - +
338D LYS* 3.4 31.9 - - + -
339D SER* 3.4 10.4 + - - -
378D THR* 3.1 26.9 + - + +
380D ARG* 1.3 94.9 - - + +
382D MET* 1.3 65.3 + - - +
383D ALA 3.6 0.3 + - - -
402D VAL* 5.2 1.7 - - - +
405D TRP* 3.2 18.7 - - - -
406D ALA* 4.1 14.7 - - + +
409D LEU* 3.8 22.2 - - + -
410D VAL* 4.0 7.4 - - + -
413D GLU* 2.4 39.0 + - - -
427D TYR* 4.8 0.5 + - - -
429D PRO* 5.4 0.7 - - - +
430D PRO* 3.8 14.4 - - + +
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Residues in contact with MET 382 (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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376D VAL* 3.8 31.9 - - + -
377D GLY* 3.7 26.7 - - - +
378D THR 3.5 8.9 + - - +
379D LYS* 3.1 25.4 + - + +
380D ARG 3.5 2.0 - - - +
381D TYR* 1.3 77.5 - - - +
383D ALA* 1.3 63.4 + - - +
386D VAL* 4.1 20.0 - - + -
387D LEU* 3.7 39.5 - - + +
402D VAL* 6.1 1.8 - - - -
405D TRP* 3.3 12.2 + - - -
431D PHE* 6.1 0.3 - - - -
441D PHE* 4.0 21.5 - - + -
444D MET* 5.4 1.0 - - - +
448D VAL* 4.8 2.4 - - - +
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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