8BTT

Structure of human RTCB

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	RNA-splicing ligase RtcB homolog	polymer	530	58386.5	2	UniProt (Q9Y3I0) Pfam (PF01139) In PDB	Homo sapiens (human)	3'-phosphate/5'-hydroxy nucleic acid ligase
2	A, B	MANGANESE (II) ION	non-polymer		54.9	2	Chemie (MN)
3		water	water		18.0	37	Chemie (HOH)

Sequence modifications

A, B: 1 - 505 (UniProt: Q9Y3I0)

PDB	External Database	Details
Met -24	-	initiating methionine
Ser -23	-	expression tag
Tyr -22	-	expression tag
Tyr -21	-	expression tag
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
Asp -14	-	expression tag
Tyr -13	-	expression tag
Asp -12	-	expression tag
Ile -11	-	expression tag
Pro -10	-	expression tag
Thr -9	-	expression tag
Thr -8	-	expression tag
Glu -7	-	expression tag
Asn -6	-	expression tag
Leu -5	-	expression tag
Tyr -4	-	expression tag
Phe -3	-	expression tag
Gln -2	-	expression tag
Gly -1	-	expression tag
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	116773.0
Non-Polymers*	Number of molecules	2
	Total formula weight	109.9
All*	Total formula weight	116882.9

*Water molecules are not included.