Pentagons of water are quite common in ordered water structure. Is it isolated or do the waters H-bond to other waters?The dimer interface looks, if I may say, a bit borderline to me. How does it fare in Pisa? Best wishes.    

On 27 Sep 2019 12:33, Vijaykumar Pillalamarri <vijaypkuma...@gmail.com> wrote:
Dear Community,

I solved the structure of a protein from vibrio. There are two molecules in the asymmetric unit of this protein. At the dimer interface, the C-termini of both the chains interact with each other with the help of five water molecules that form a pentagon. I have attached an image showing both the chains and stereo image of dimer interface in the inset. I was wondering if there is any significance to this or if there is any relevant literature that explains this behavior.

Thank you
Vijaykumar Pillalamarri
C/O: Dr. Anthony Addlagatta
Principal Scientist
CSIR-IICT, Tarnaka
Hyderabad, India-500007
Mobile: +918886922975


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