Contacts of the strand formed by residues 346 - 350 (chain H) in PDB entry 4CDC
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 MET 346 (chain H).
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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242H MET* 3.6 6.3 - - - -
246H ARG* 4.2 8.3 - - - +
324H VAL* 4.2 4.7 - - - -
336H MET* 3.4 15.3 - - - +
339H GLU* 3.7 16.4 - - + -
340H LEU* 3.2 49.8 - - + +
344H GLY 3.9 3.4 - - - +
345H PRO* 1.3 73.8 - - - +
347H ALA* 1.3 63.5 + - - +
348H VAL* 3.5 14.1 + - + -
384I LEU* 3.5 6.1 - - - +
385I LEU* 2.8 44.2 + - + +
430I ALA* 3.9 20.9 - - + -
431I VAL 3.5 12.8 - - - +
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Residues in contact with ALA 347 (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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238H ALA* 4.2 18.8 - - + +
242H MET* 3.8 13.2 - - + -
279H PRO* 3.7 33.9 - - + -
346H MET* 1.3 72.1 - - - +
348H VAL* 1.3 62.8 + - - +
383I VAL 3.5 5.8 - - - -
384I LEU* 4.1 3.7 - - - +
429I ILE 3.9 0.9 - - - +
430I ALA* 3.4 0.2 - - - -
431I VAL* 2.8 39.0 + - + +
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Residues in contact with VAL 348 (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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279H PRO* 5.3 2.1 - - - +
336H MET* 3.8 27.4 - - + -
346H MET* 4.0 11.4 - - + -
347H ALA* 1.3 80.4 - - - +
349H ALA* 1.3 61.4 + - - +
382I ALA* 3.5 5.9 - - - +
383I VAL* 2.9 52.5 + - + +
385I LEU* 4.1 17.9 - - + +
401I VAL* 4.8 2.0 - - + -
426I ILE* 3.9 28.5 - - + +
429I ILE 4.2 7.0 - - - -
430I ALA* 3.9 12.1 - - + +
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Residues in contact with ALA 349 (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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278H PHE* 6.6 0.2 - - + -
279H PRO* 6.1 4.5 - - + -
348H VAL* 1.3 77.7 - - - +
350H PHE* 1.3 67.3 + - - +
379I THR* 3.9 16.1 - - - +
381I HIS 3.1 14.8 - - - +
382I ALA* 4.5 4.5 - - + -
425I ALA 3.1 18.7 - - - +
426I ILE* 3.3 8.4 - - - -
429I ILE* 3.4 29.6 - - + +
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Residues in contact with PHE 350 (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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349H ALA* 1.3 76.2 - - - +
351H GLU* 1.3 70.9 + - - +
352H VAL* 3.7 21.0 + - + -
356H PHE* 3.6 41.5 - + - -
364H TYR* 5.1 1.8 - + - -
379I THR* 3.7 10.1 - - - -
380I ASN* 3.1 4.0 + - - +
381I HIS* 2.9 55.8 + + + +
383I VAL* 3.7 27.8 - - + -
415I PHE* 3.8 11.0 - + - -
417I ILE* 4.5 9.4 - - + -
424I CYS* 3.2 24.7 - - + +
426I ILE* 3.8 20.2 - - + -
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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