Contacts of the strand formed by residues 319 - 325 (chain A) in PDB entry 1MF8
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 319 (chain A).
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Specific contacts
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Residue Dist Surf HB Arom Phob DC
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287A GLY* 4.2 0.2 - - - -
306A PHE 3.7 6.1 - - - -
307A SER 3.9 4.5 - - - -
308A ALA 4.6 0.7 - - - +
309A PRO* 3.1 39.4 - - + +
317A ASN 4.0 0.4 + - - -
318A LYS* 1.3 74.5 - - - +
320A ALA* 1.3 64.6 + - - +
333A GLN* 3.1 7.1 - - - +
334A PHE* 2.7 54.3 + - + -
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Residues in contact with ALA 320 (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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287A GLY 3.0 23.8 - - - +
288A TYR* 4.5 0.7 - - + -
305A ILE* 3.2 15.3 - - + +
306A PHE 3.0 9.0 + - - +
307A SER* 2.7 23.0 + - - -
319A ALA* 1.3 78.6 - - - +
321A VAL* 1.3 57.7 + - - +
331A ILE* 4.1 12.3 - - + -
332A ARG 2.9 20.0 - - - +
333A GLN* 4.0 10.1 - - + -
334A PHE* 3.1 4.3 - - - -
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Residues in contact with VAL 321 (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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86A THR* 3.9 18.2 - - + -
87A VAL 3.3 9.2 - - - +
88A CYS* 4.0 9.0 - - - -
101A LEU* 3.5 42.4 - - + +
104A VAL* 4.5 7.6 - - + -
105A GLY* 4.7 1.3 - - - -
305A ILE* 3.4 3.4 - - - -
307A SER* 3.8 2.0 - - - +
320A ALA* 1.3 78.3 - - - +
322A LEU* 1.3 61.4 + - - +
323A LYS* 4.3 8.3 - - + -
331A ILE* 3.7 6.1 - - - +
332A ARG* 2.9 50.9 + - + +
334A PHE* 4.4 5.1 - - + -
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Residues in contact with LEU 322 (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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86A THR* 3.2 4.5 - - - -
87A VAL* 2.7 55.1 + - + -
278A LEU* 4.3 7.9 - - + -
290A MET* 6.5 0.2 - - - -
303A ILE* 4.0 27.1 - - + -
305A ILE* 3.2 17.7 - - + +
321A VAL* 1.3 76.5 - - - +
323A LYS* 1.3 62.5 + - - +
324A TYR* 3.8 9.4 - - + +
329A MET* 2.7 53.8 - - + -
330A ASN 3.8 4.0 - - - +
331A ILE* 4.6 14.1 - - + +
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Residues in contact with LYS 323 (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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85A VAL 3.6 4.7 - - - +
86A THR* 4.0 12.1 - - + +
104A VAL 2.6 30.5 + - - -
105A GLY* 3.6 24.2 + - - -
106A GLY 4.6 0.2 - - - +
321A VAL* 4.3 7.6 - - + -
322A LEU* 1.3 76.8 - - - +
324A TYR* 1.3 59.9 + - - +
325A GLU* 3.6 5.6 + - + +
328A VAL 2.9 5.2 - - - +
330A ASN* 2.6 55.5 + - + +
332A ARG* 3.7 30.7 - - + +
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Residues in contact with TYR 324 (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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83A ALA* 3.6 11.7 - - + +
84A PRO* 3.6 3.8 - - - +
85A VAL 2.9 32.8 + - - +
191A MET* 3.4 27.1 - - + -
192A ASN* 3.4 23.5 + - + -
194A GLN* 3.0 27.6 + - - -
195A PHE* 3.9 9.9 - + - -
322A LEU* 3.8 5.0 - - + +
323A LYS* 1.3 71.1 - - - +
325A GLU* 1.3 60.0 + - - +
327A ASN* 2.8 50.2 + - - -
328A VAL 3.4 7.6 - - - -
329A MET* 3.8 34.1 - - + +
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Residues in contact with GLU 325 (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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83A ALA* 5.3 1.8 - - - -
84A PRO* 3.8 33.1 - - + +
323A LYS* 3.6 6.1 + - + +
324A TYR* 1.3 75.2 - - - +
326A ASN* 1.3 84.2 + - - +
327A ASN 3.1 3.4 - - - -
328A VAL* 2.5 42.0 + - - +
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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