Structure of guanylylated RNA ligase RtcB from Pyrococcus horikoshii

2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31.

Structures of RNA ligase RtcB in complexes with divalent cations and GTP.

3'-phosphate/5'-hydroxy nucleic acid ligase,tRNA ligase RtcB

MGSSHHHHHHSSGLVPRGSHMVVPLKRIDKIRWEIPKFDKRMRVPGRVYADEVLLEKMKNDRTLEQATNVAMLPGIYKYS
IVMPDGHQGYGFPIGGVAAFDVKEGVISPGGIGYDINCGVRLIRTNLTEKEVRPRIKQLVDTLFKNVPSGVGSQGRIKLH
WTQIDDVLVDGAKWAVDNGYGWERDLERLEEGGRMEGADPEAVSQRAKQRGAPQLGSLGSGNHFLEVQVVDKIFDPEVAK
AYGLFEGQVVVMVHTGSRGLGHQVASDYLRIMERAIRKYRIPWPDRELVSVPFQSEEGQRYFSAMKAAANFAWANRQMIT
HWVRESFQEVFKQDPEGDLGMDIVYDVAHNIGKVEEHEVDGKRVKVIVHRKGATRAFPPGHEAVPRLYRDVGQPVLIPGS
MGTASYILAGTEGAMKETFGSTCHGAGRVLSRKAATRQYRGDRIRQELLNRGIYVRAASMRVVAEEAPGAYKNVDNVVKV
VSEAGIAKLVARMRPIGVAKG

2.2 M ammonium sulfate
cryoprotectant: 2.2 M ammonium sulfate, 22% (w/v) sucrose

National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

National Institutes of Health/National Cancer Institute (NIH/NCI)

8DC9 contains the same protein bound to Mn2+ and GTP

oligosaccharide with reducing-end-to-reducing-end glycosidic bond

RNA ligase, RtcB, RtcB-GMP, guanylylation, tRNA splicing, RNA repair, LIGASE

MVVPLKRIDKIRWEIPKFDKRMRVPGRVYADEVLLEKMKNDRTLEQATNVAMLPGIYKYSIVMPDGHQGYGFPIGGVAAF
DVKEGVISPGGIGYDI

NCGVRLIRTNLTEKEVRPRIKQLVDTLFKNVPSGVGSQGRIKLHWTQIDDVLVDGAKWAVDNGYGWERDLERLEEGGRME
GADPEAVSQRAKQRGAPQLGSLGSGNHFLEVQVVDKIFDPEVAKAYGLFEGQVVVMVHTGSRGLGHQVASDYLRIMERAI
RKYRIPWPDRELVSVPFQSEEGQRYFSAMKAAANFAWANRQMITHWVRESFQEVFKQDPEGDLGMDIVYDVAHNIGKVEE
HEVDGKRVKVIVHRKGATRAFPPGHEAVPRLYRDVGQPVLIPGSMGTASYILAGTEGAMKETFGSTCHGAGRVLSRKAAT
RQYRGDRIRQELLNRGIYVRAASMRVVAEEAPGAYKNVDNVVKVVSEAGIAKLVARMRPIGVAKG