Contacts of the strand formed by residues 135 - 140 (chain I) in PDB entry 2BDI
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 SER 135 (chain I).
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
133I GLY 3.4 2.5 + - - -
134I ASN* 1.3 84.0 + - - +
136I CYS* 1.4 61.2 + - - +
159I ASN* 3.6 24.2 + - - +
160I VAL 3.9 1.1 + - - -
161I SER* 3.7 17.3 + - - -
201I CYS* 5.0 1.4 - - - -
202I ASN* 5.0 6.2 + - - -
----------------------------------------------------------
Back to top of page
Residues in contact with CYS 136 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
134I ASN* 4.2 4.5 - - - -
135I SER* 1.4 76.0 - - - +
137I LEU* 1.3 62.5 + - - +
159I ASN* 3.2 12.7 + - - -
160I VAL* 2.9 35.5 + - + +
162I VAL* 3.9 21.5 - - + -
199I LEU* 4.1 14.6 - - + -
200I ILE 3.0 11.9 - - - +
201I CYS* 2.0 47.3 - - - +
----------------------------------------------------------
Back to top of page
Residues in contact with LEU 137 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
27I GLN* 3.6 35.7 - - - +
136I CYS* 1.3 77.0 - - - +
138I VAL* 1.3 67.3 + - - +
139I SER* 5.2 0.9 - - - +
157I CYS* 3.9 16.4 - - + -
158I VAL 3.2 29.4 - - - +
159I ASN* 4.0 17.7 - - - +
198I PRO 3.8 0.3 - - - +
199I LEU* 3.3 4.0 - - - -
200I ILE* 2.8 45.3 + - + +
----------------------------------------------------------
Back to top of page
Residues in contact with VAL 138 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
16I ILE* 3.8 18.7 - - + +
137I LEU* 1.3 77.9 - - - +
139I SER* 1.3 66.9 + - - +
157I CYS* 3.6 1.0 - - - -
158I VAL* 2.9 49.0 + - + +
160I VAL* 3.8 14.4 - - + -
190I SER* 4.0 16.2 - - - +
198I PRO 3.1 16.2 - - - +
199I LEU* 3.5 19.5 - - + -
213I VAL* 4.3 13.9 - - + -
228I TYR* 4.1 7.6 - - + +
----------------------------------------------------------
Back to top of page
Residues in contact with SER 139 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
16I ILE* 3.8 7.9 - - - -
27I GLN* 4.0 10.4 + - - +
30I GLN* 2.8 35.9 + - - +
137I LEU* 5.2 1.4 - - - +
138I VAL* 1.3 79.8 - - - +
140I GLY* 1.3 57.2 + - - +
155I LEU* 4.1 8.5 - - - -
156I GLN 2.9 18.4 - - - -
157I CYS* 3.4 17.5 - - - -
194I ASP* 5.2 2.1 - - - +
197I GLY* 4.2 5.9 - - - -
198I PRO* 3.5 19.9 + - - +
----------------------------------------------------------
Back to top of page
Residues in contact with GLY 140 (chain I).
Click here for Legend to table.
----------------------------------------------------------
Specific contacts
---------------------------
Residue Dist Surf HB Arom Phob DC
----------------------------------------------------------
16I ILE* 3.5 5.8 - - - +
30I GLN* 3.7 5.6 - - - -
43I SER* 4.5 5.6 - - - -
139I SER* 1.3 75.6 - - - +
141I TRP* 1.3 59.9 + - - -
142I GLY 3.3 4.9 - - - -
155I LEU* 3.2 15.9 - - - +
156I GLN* 3.0 34.1 + - - +
194I ASP* 3.4 12.3 - - - -
----------------------------------------------------------
Back to top of page
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
------------------------------------------------------------
Atomic class I II III IV V VI VII VIII
------------------------------------------------------------
I (Hydrophilic) + + + - + + + +
II (Acceptor) + - + - + + + -
III (Donor) + + - - + + - +
IV (Hydrophobic) - - - + + + + +
V (Aromatic) + + + + + + + +
VI (Neutral) + + + + + + + +
VII (Neutral-donor) + + - + + + - +
VIII (Neutral-acceptor) + - + + + + + -
------------------------------------------------------------
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