… Cytochrome c554 (cyt c554), a tetra-heme cytochrome from … c554 functions in the latter
process by accepting pairs of electrons from HAO and transferring them to a cytochrome …

… The hemes of cyt c554 display conserved packing motifs involving stacked pairs with the …
Currently, the stacked-heme motifs have been seen exclusively in other bacterial proteins …

… and cytochrome c554 of Anacystis nidulans to 3.0A," and the … The program Delphi, as
implemented in the Biosym package,… The helical motif present in all eukaryote cytochrome c is …

… 4) showed that the folding patterns in c, c2, cWo, and cssi … hydrophobic side chains packed
around the heme in 60 … ) with 86 amino acids, cytochromes f or c554 of prokaryotic and eukar…

… Cyt c554 displays conserved hemepacking motifs that are … , the electron donor to cyt c554,
and cytochrome c nitrite reductase, … The structural determinants of these heme-packing motifs …

… of electrons from HAO is the periplasmic cytochrome c 554 (cyt c 554 ). Electrons from cyt …
is also observed in cytochrome c 3 . All heme−heme packing motifs in the six proteins of Table …

… mediated by a conserved GXXXG motif present in the putative … lining each transmembrane
helix at the packing contact. … A major fraction (50−100%) of cytochrome cyt c 554 is found in …

… cytochrome whose heme groups are packed in characteristic motifs that also occur in other
multiheme cytochromes… Cytochrome cnitrite reductase is part of a highly optimized respiratory …

… -His- heme binding motifs. The only regions of the cytochrome c-554 sequence that were found
to be … databank and a Silicon Graphics Iris workstation with the Quanta software package. …

… Oxidized c-552 accepts electrons from a diheme cytochrome c-554 during turnover of …
geometry analysis were performed with the software package SYBYL (Tripos Associates), version …