Contacts of the strand formed by residues 470 - 474 (chain B) in PDB entry 3NA1
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 PHE 470 (chain B).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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155B TYR 3.7 0.7 - - - +
156B SER* 3.0 5.2 - - - -
157B GLY 2.8 33.1 + - - +
159B ILE* 4.0 27.6 - - + -
297B GLN* 3.5 39.5 - - + -
300B LEU* 3.6 18.4 - - + -
301B TYR* 3.5 23.1 - - - -
446B VAL* 3.6 17.9 - - + -
447B GLU 3.4 2.5 - - - +
448B ILE* 3.8 18.4 - - + -
468B ILE* 3.7 24.9 - - + -
469B SER* 1.3 75.0 - - - +
471B THR* 1.3 61.5 + - - +
472B PHE* 3.5 23.8 - + + -
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Residues in contact with THR 471 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
449A GLN* 4.7 2.8 + - - -
450A HIS* 3.4 23.3 + - - +
154B ASN* 4.1 12.8 - - + +
155B TYR 3.2 6.1 - - - +
156B SER* 2.6 23.7 + - - +
445B ARG 3.7 2.9 - - - +
446B VAL* 3.7 2.8 - - - +
447B GLU* 2.8 44.1 + - - +
448B ILE* 5.7 1.6 - - - -
469B SER 5.3 0.3 + - - -
470B PHE* 1.3 71.3 - - - +
472B PHE* 1.3 64.0 + - - +
473B TRP* 3.5 29.5 + - + +
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Residues in contact with PHE 472 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
143B LEU* 4.3 13.2 - - + -
147B ILE* 3.9 10.1 - - + +
154B ASN* 3.3 8.1 - - - +
155B TYR* 2.7 54.5 + + + +
157B GLY 4.9 0.2 - - - -
159B ILE* 3.6 42.4 - - + -
300B LEU* 4.7 3.4 - - + -
440B MET* 3.5 30.1 - - + -
444B PHE* 4.3 19.3 - - + -
445B ARG 3.5 1.6 - - - +
446B VAL* 3.9 28.7 - - + -
470B PHE* 3.5 27.6 - + + -
471B THR* 1.3 74.3 - - - +
473B TRP* 1.3 60.6 - - - +
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Residues in contact with TRP 473 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
450A HIS* 3.9 29.2 - + + -
152B SER 4.6 3.8 - - - -
153B GLY 3.4 23.1 - - - -
154B ASN* 3.7 22.4 - - + -
444B PHE* 3.1 6.6 - - - -
445B ARG* 2.7 57.7 + - + +
447B GLU* 3.0 35.6 + - + -
471B THR* 3.5 15.0 - - + +
472B PHE* 1.3 75.9 - - - +
474B PRO* 1.3 71.7 - - + +
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Residues in contact with PRO 474 (chain B).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
144B HIS* 4.5 15.5 - - + +
147B ILE* 4.0 28.2 - - + -
153B GLY* 3.2 21.8 - - - +
443B ASN 3.4 9.4 - - - +
444B PHE* 4.1 3.6 - - + -
445B ARG* 5.4 2.5 + - - +
473B TRP* 1.3 89.5 - - + +
475B PHE* 1.3 63.8 + - - +
476B ASN 3.5 12.8 + - - +
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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