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Hydrogen bonding in biological macromolecules
Baker, E. N.  International Tables for Crystallography (2012). Vol. F, ch. 22.3, pp. 721-729 [ doi:10.1107/97809553602060000887 ]
... important reviews have covered hydrogen-bonding patterns in globular proteins (Baker & Hubbard, 1984; Stickle et al., 1992), and more focused reviews ... acceptor A is normally an electronegative atom, usually O or N, but occasionally S or Cl, with a full or partial ... of the hydrogen bonds in proteins and nucleic acids are N-HO or O-HO (less often, N- ...

Hydrogen bonds involving sulfur atoms
Baker, E. N.  International Tables for Crystallography (2012). Vol. F, Section 22.3.7.2, p. 727 [ doi:10.1107/97809553602060000887 ]
... distance HS is less than ~2.9, or SO(N) is less than ~3.9, providing the angular geometry is right. ... Met side chains in proteins has given evidence of both N-HS and S-HO hydrogen bonds involving the ... in helices. On the other hand, O-HS or N-HS hydrogen bonds to the S atoms of ...
     [more results from section 22.3.7 in volume F]

RNA
Baker, E. N.  International Tables for Crystallography (2012). Vol. F, Section 22.3.6.2, pp. 726-727 [ doi:10.1107/97809553602060000887 ]
... et al., 1994). Another is the GNRA tetraloop structure (N = any base, R = purine). This loop has a well ... of knowledge. References Cate, J. H., Gooding, A. R., Podell, E., Zhou, K., Golden, B. L., Kundrot, C. E., Cech, T. R. & Doudna, J. A. (1996). Crystal ...
     [more results from section 22.3.6 in volume F]

Hydrogen bonds with water molecules
Baker, E. N.  International Tables for Crystallography (2012). Vol. F, Section 22.3.5.5, pp. 725-726 [ doi:10.1107/97809553602060000887 ]
... protein stability; internal waters average about three hydrogen bonds each (Baker & Hubbard, 1984; Williams et al., 1994). From the survey ... larger clusters; some examples of larger clusters are given in Baker & Hubbard (1984). Buried waters are often conserved between homologous proteins (Baker, 1995), and each buried water-protein hydrogen bond is ...
     [more results from section 22.3.5 in volume F]

Identification of hydrogen bonds: geometrical considerations
Baker, E. N.  International Tables for Crystallography (2012). Vol. F, Section 22.3.4, pp. 722-723 [ doi:10.1107/97809553602060000887 ]
... distances alone can be highly misleading. An approach with an N-HO angle of 90 and an HO distance ... very unfavourable for hydrogen bonding, yet it translates to a NO distance of 2.7. This could (wrongly) be taken ... nucleic acid bases). The hydrogen-bond criteria used by Baker & Hubbard (1984) are shown in Fig. 22.3.4.1. Very similar ...

Nucleic acids
Baker, E. N.  International Tables for Crystallography (2012). Vol. F, Section 22.3.3.2, p. 722 [ doi:10.1107/97809553602060000887 ]
... bond donors, and C=O only as acceptors, whereas the >N- centres are normally acceptors but at low pH can be ...
     [more results from section 22.3.3 in volume F]

Nature of the hydrogen bond
Baker, E. N.  International Tables for Crystallography (2012). Vol. F, Section 22.3.2, p. 721 [ doi:10.1107/97809553602060000887 ]
... acceptor A is normally an electronegative atom, usually O or N, but occasionally S or Cl, with a full or partial ... of the hydrogen bonds in proteins and nucleic acids are N-HO or O-HO (less often, N-HN), it is important to be aware that ...

Introduction
Baker, E. N.  International Tables for Crystallography (2012). Vol. F, Section 22.3.1, p. 721 [ doi:10.1107/97809553602060000887 ]
... important reviews have covered hydrogen-bonding patterns in globular proteins (Baker & Hubbard, 1984; Stickle et al., 1992), and more focused reviews ... Bond in Structural Chemistry and Biology. Oxford University Press. Eswar, N. & Ramakrishnan, C. (2000). Deterministic features of side-chain main ... residues and their substrates. J. Mol. Biol. 369, 1140-1152. Baker, E. N. & Hubbard, R. E. (1984). Hydrogen bonding ...

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