Chemistry and Enzymology of Vitamin B12

KL Brown - Chemical reviews, 2005 - ACS Publications
The year of this writing, 2004, marks the 70th anniversary of the Noble Prize shared by
Whipple, Minot, and Murphy for their discovery that raw liver contained a substance, the “anti …

The inorganic chemistry of the cobalt corrinoids–an update

HM Marques - Journal of Inorganic Biochemistry, 2023 - Elsevier
The inorganic chemistry of the cobalt corrinoids, derivatives of vitamin B 12, is reviewed, with
particular emphasis on equilibrium constants for, and kinetics of, their axial ligand …

Structural survey of zinc-containing proteins and development of the zinc AMBER force field (ZAFF)

MB Peters, Y Yang, B Wang… - Journal of chemical …, 2010 - ACS Publications
Currently the Protein Data Bank (PDB) contains over 25 000 structures that contain a metal
ion including Na, Mg, K, Ca, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Pd, Ag, Cd, Ir, Pt, Au, and Hg. In …

Controlled metalation of self‐assembled porphyrin nanoarrays in two dimensions

W Auwärter, A Weber‐Bargioni, S Brink… - …, 2007 - Wiley Online Library
We report a bottom‐up approach for the fabrication of metallo‐porphyrin compounds and
nanoarchitectures in two dimensions. Scanning tunneling microscopy and tunneling …

Absolute configurational assignments of secondary amines by CD-sensitive dimeric zinc porphyrin host

X Huang, N Fujioka, G Pescitelli… - Journal of the …, 2002 - ACS Publications
A general chiroptical protocol for determination of absolute configuration of secondary
amines including acyclic and cyclic aliphatic amines, aromatic amines, amino acids, and …

Comparison of methods to obtain force-field parameters for metal sites

LH Hu, U Ryde - Journal of Chemical Theory and Computation, 2011 - ACS Publications
We have critically examined and compared various ways to obtain standard harmonic
molecular mechanics (MM) force-field parameters for metal sites in proteins, using the 12 …

Site-specific electronic and geometric interface structure of Co-tetraphenyl-porphyrin layers on Ag (111)

W Auwärter, K Seufert, F Klappenberger, J Reichert… - Physical Review B …, 2010 - APS
We present a combined multimethod experimental and theoretical study of the geometric
and electronic properties of Co-tetraphenyl-porphyrin (Co-TPP) molecules adsorbed on a …

Spectroscopic and Computational Studies of Co3+-Corrinoids:  Spectral and Electronic Properties of the B12 Cofactors and Biologically Relevant Precursors

TA Stich, AJ Brooks, NR Buan… - Journal of the American …, 2003 - ACS Publications
The B12 cofactors methylcobalamin (MeCbl) and 5 '-deoxyadenosylcobalamin (AdoCbl)
have long fascinated chemists because of their complex structures and unusual reactivities …

Theoretical Analysis of the Porphyrin− Porphyrin Exciton Interaction in Circular Dichroism Spectra of Dimeric Tetraarylporphyrins

G Pescitelli, S Gabriel, Y Wang… - Journal of the …, 2003 - ACS Publications
Chiral bis-porphyrins are currently the subject of intense interest as chiral receptors and as
probes in the determination of structure and stereochemistry. To provide an improved …

Vitamin B12 in drug delivery: breaking through the barriers to a B12 bioconjugate pharmaceutical

SM Clardy, DG Allis, TJ Fairchild… - Expert opinion on drug …, 2011 - Taylor & Francis
Importance of the field: Vitamin B12 (B12) is a rare and vital micronutrient for which
mammals have developed a complex and highly efficient dietary uptake system. This uptake …