2DCH

Crystal structure of archaeal intron-encoded homing endonuclease I-Tsp061I

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	X	putative homing endonuclease	polymer	216	24662.3	1	UniProt (Q8J309) Pfam (PF14528) In PDB	Thermoproteus	Archaeal intron-encoded DNA endonuclease
2	X	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
3	X	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4		water	water		18.0	172	Chemie (HOH)

Sequence modifications

X: 1 - 196 (UniProt: Q8J309)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag
Leu 26	Ser 33	SEE REMARK 999
Val 63	Ile 70	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	24662.3
Non-Polymers*	Number of molecules	3
	Total formula weight	227.6
All*	Total formula weight	24889.9

*Water molecules are not included.