Contacts of the strand formed by residues 428 - 432 (chain C) in PDB entry 1NZX
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 ALA 428 (chain C).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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273C SER* 3.0 29.0 + - - +
274C PRO* 3.3 8.1 - - - +
303C CYS* 3.9 20.6 - - + -
426C GLY* 3.6 1.6 - - - -
427C LEU* 1.3 83.2 + - + +
429C ALA* 1.3 65.7 + - - +
448C ALA* 3.6 7.5 - - - +
450C THR* 3.1 16.8 - - - +
452C TRP* 3.9 19.1 - - + -
465C PHE* 5.0 0.9 - - + -
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Residues in contact with ALA 429 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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273C SER* 4.3 2.2 - - - -
274C PRO* 3.3 26.9 - - + +
428C ALA* 1.3 79.9 - - - +
430C ALA* 1.3 64.2 + - - +
446C LEU* 4.0 23.3 - - + -
448C ALA* 3.9 13.7 - - + -
450C THR 2.8 5.2 + - - +
451C VAL* 3.2 6.0 - - + -
452C TRP* 2.9 26.6 + - - -
456C TYR* 4.5 3.4 - - - -
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Residues in contact with ALA 430 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
274C PRO 2.9 6.7 + - - -
275C ASN* 3.4 14.1 - - - +
276C ILE* 2.9 28.3 + - - +
429C ALA* 1.3 74.8 - - - +
431C VAL* 1.3 70.4 + - - +
432C PHE* 4.3 1.6 - - + -
451C VAL* 4.9 0.2 - - - -
452C TRP* 3.1 11.7 - - + +
455C CYS 4.0 8.3 - - - +
456C TYR* 3.3 35.7 - - + -
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Residues in contact with VAL 431 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
276C ILE* 3.4 9.0 - - + +
278C MET* 4.6 2.2 - - + -
430C ALA* 1.3 81.7 - - - +
432C PHE* 1.3 61.2 + - - +
433C THR* 3.8 23.3 - - + -
439C ALA* 4.6 7.4 - - + +
442C LEU* 3.5 48.7 - - + -
443C SER 4.9 0.7 - - - +
446C LEU* 3.6 16.2 - - + -
451C VAL* 4.7 5.8 - - + -
452C TRP 2.9 9.1 + - - +
453C VAL* 3.4 12.3 - - + +
454C ASN* 2.8 30.7 + - - +
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Residues in contact with PHE 432 (chain C).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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275C ASN* 3.4 32.1 - - - -
276C ILE 2.9 13.2 + - - +
277C ILE* 3.7 15.9 - - + -
278C MET* 3.0 24.6 + - - +
281C ALA* 3.3 19.5 - - + +
282C ASP 5.6 0.7 - - - -
285C TRP* 3.7 22.0 - + - -
286C ALA* 3.9 15.9 - - + -
289C GLN* 3.4 27.4 - - + -
430C ALA* 4.3 3.6 - - + -
431C VAL* 1.3 76.0 - - - +
433C THR* 1.3 62.8 + - - +
454C ASN* 3.3 27.1 - - - +
455C CYS 3.2 31.9 - - - -
456C TYR* 4.9 1.8 - - + -
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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