6.1.1.27	746291	 Ancient translation factor is essential for tRNA-dependent cysteine biosynthesis in methanogenic archaea	Proc. Natl. Acad. Sci. USA	 111	 10520-10525 	2014	Methanococcus maripaludis	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=25002468&form=6&db=m	
6.1.1.27	743961	 Crystallographic analysis of a subcomplex of the transsulfursome with tRNA for Cys-tRNACys synthesis	Acta Crystallogr. Sect. F	 72	 569-572 	2016	Methanocaldococcus jannaschii	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=27380375&form=6&db=m	
6.1.1.27	745679	 RNA-dependent cysteine biosynthesis in bacteria and archaea	mBio	 8	 e00561-17 	2017	Archaeoglobus fulgidus	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=28487430&form=6&db=m	
6.1.1.27	745679	 RNA-dependent cysteine biosynthesis in bacteria and archaea	mBio	 8	 e00561-17 	2017	Methanococcus maripaludis	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=28487430&form=6&db=m	
6.1.1.27	745679	 RNA-dependent cysteine biosynthesis in bacteria and archaea	mBio	 8	 e00561-17 	2017	Candidatus Bathyarchaeota	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=28487430&form=6&db=m	
6.1.1.27	745679	 RNA-dependent cysteine biosynthesis in bacteria and archaea	mBio	 8	 e00561-17 	2017	Candidatus Parcubacteria	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=28487430&form=6&db=m	
6.1.1.27	745679	 RNA-dependent cysteine biosynthesis in bacteria and archaea	mBio	 8	 e00561-17 	2017	Chloroflexi	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=28487430&form=6&db=m	
6.1.1.27	745864	 Structural basis for tRNA-dependent cysteine biosynthesis	Nat. Commun.	 8	 1521 	2017	Methanocaldococcus jannaschii	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=29142195&form=6&db=m	
6.1.1.27	684126	Amino acid modifications on tRNA	Acta Biochim. Biophys. Sin. (Shanghai)	40	539-553	2008	Methanococcus maripaludis	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=18604446&form=6&db=m	
6.1.1.27	684126	Amino acid modifications on tRNA	Acta Biochim. Biophys. Sin. (Shanghai)	40	539-553	2008	no activity in Methanobrevibacter smithii	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=18604446&form=6&db=m	
6.1.1.27	684126	Amino acid modifications on tRNA	Acta Biochim. Biophys. Sin. (Shanghai)	40	539-553	2008	no activity in Methanosphaera stadtmanae	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=18604446&form=6&db=m	
6.1.1.27	727525	Aminoacylation of tRNA 2'- or 3'-hydroxyl by phosphoseryl- and pyrrolysyl-tRNA synthetases	FEBS Lett.	587	3360-3364	2013	Methanococcus maripaludis	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=24021645&form=6&db=m	
6.1.1.27	689145	Aminoacylation of tRNA with phosphoserine for synthesis of cysteinyl-tRNA(Cys)	Nat. Struct. Mol. Biol.	15	507-514	2008	Methanocaldococcus jannaschii	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=18425141&form=6&db=m	
6.1.1.27	690738	Phosphoserine aminoacylation of tRNA bearing an unnatural base anticodon	Biochem. Biophys. Res. Commun.	372	480-485	2008	Archaeoglobus fulgidus	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=18503748&form=6&db=m	
6.1.1.27	687743	Redundant synthesis of cysteinyl-tRNACys in Methanosarcina mazei	J. Biol. Chem.	283	22007-22017	2008	Methanosarcina mazei	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=18559341&form=6&db=m	
6.1.1.27	676139	Structural insights into the first step of RNA-dependent cysteine biosynthesis in archaea	Nat. Struct. Mol. Biol.	14	272-279	2007	Methanocaldococcus jannaschii	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=17351629&form=6&db=m	
6.1.1.27	676139	Structural insights into the first step of RNA-dependent cysteine biosynthesis in archaea	Nat. Struct. Mol. Biol.	14	272-279	2007	Archaeoglobus fulgidus	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=17351629&form=6&db=m	
6.1.1.27	693106	The homotetrameric phosphoseryl-tRNA synthetase from Methanosarcina mazei exhibits half-of-the-sites activity	J. Biol. Chem.	283	21997-22006	2008	Methanosarcina mazei	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=18559342&form=6&db=m	
6.1.1.27	694852	Toward understanding phosphoseryl-tRNACys formation: the crystal structure of Methanococcus maripaludis phosphoseryl-tRNA synthetase	Proc. Natl. Acad. Sci. USA	104	2620-2625	2007	Methanococcus maripaludis	http://www.ncbi.nlm.nih.gov/htbin-post/Entrez/query?uid=17301225&form=6&db=m