Contacts of the strand formed by residues 632 - 636 (chain A) in PDB entry 4C2M
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 GLU 632 (chain A).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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481A ARG* 2.7 58.0 + - + +
482A SER 3.2 10.8 - - - +
483A VAL* 4.1 18.8 - - + +
591A ARG* 3.9 14.9 - - - +
592A GLN 5.1 0.9 + - - -
630A GLY 3.8 10.6 - - - +
631A ASP* 1.3 79.9 - - - +
633A MET* 1.3 69.2 + - - +
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Residues in contact with MET 633 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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481A ARG* 3.3 7.0 - - - +
482A SER 2.9 30.1 + - - +
484A ILE* 3.7 41.6 - - + +
589A MET* 3.7 32.1 - - + -
590A ASN 3.3 14.1 - - - +
591A ARG* 3.7 14.1 - - + -
614A LEU* 4.0 3.8 - - + +
616A LEU* 4.1 13.7 - - + -
624A TYR* 3.7 42.2 - - + -
632A GLU* 1.3 79.8 - - - +
634A ASN* 1.3 65.6 + - - +
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Residues in contact with ASN 634 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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480A ALA 3.2 6.0 - - - +
481A ARG* 2.9 44.9 + - - +
588A LEU 3.4 1.3 - - - +
589A MET* 3.4 9.7 - - - +
590A ASN* 2.8 53.5 + - + +
592A GLN* 4.3 9.7 - - - +
614A LEU* 5.2 0.2 - - - -
633A MET* 1.3 73.3 - - - +
635A MET* 1.3 61.8 + - - +
636A HIS* 4.0 23.5 + - + +
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Residues in contact with MET 635 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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479A ALA* 3.0 6.2 - - - +
480A ALA* 2.7 46.3 + - + +
495A ILE* 3.8 22.7 - - + -
497A VAL* 3.5 37.0 - - + -
501A PHE* 4.7 5.6 - - - -
505A LEU* 4.5 17.3 - - + +
581A ILE* 5.1 0.7 - - - -
587A VAL* 3.7 29.6 - - + -
588A LEU 3.5 1.8 - - - -
589A MET* 3.8 7.4 - - + -
614A LEU* 3.5 32.8 - - + -
633A MET 4.2 0.4 + - - -
634A ASN* 1.3 75.0 - - - +
636A HIS* 1.3 63.0 + - - +
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Residues in contact with HIS 636 (chain A).
Click here for Legend to table.
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Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
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476A VAL* 3.8 26.3 - - + +
478A TYR 4.0 2.0 + - - -
479A ALA* 3.4 17.5 - - + +
587A VAL* 3.3 5.3 - - - +
588A LEU* 2.8 52.1 + - + +
590A ASN* 4.7 3.4 + - + +
600A MET* 3.7 29.0 - - + +
634A ASN* 4.0 26.6 + - + +
635A MET* 1.3 75.6 - - - +
637A PHE* 1.3 60.3 + - - +
638A PRO* 3.1 6.7 - - + +
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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