1X2I - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF ARCHAEAL XPF/MUS81 HOMOLOG, HEF FROM PYROCOCCUS FURIOSUS, HELIX-HAIRPIN-HELIX DOMAIN
• Keywords: ALPHA HELIX, HELIX-HAIRPIN-HELIX DNA BINDING DOMAIN, HOMODIMER, HYDROLASE
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1X2I	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	HEF HELICASE/NUCLEASE	A	68	533	0
2	Protein	HEF HELICASE/NUCLEASE	B	68	533	0
3	Water			125	0	125
total				261	1066	125

Proteins

Unit 1

ALA 2 LEU 3 THR 4 LEU 5 ALA 6 GLU 7 ARG 8 GLN 9 ARG 10 LEU 11 ILE 12 VAL 13 GLU 14 GLY 15 LEU 16 PRO 17 HIS 18 VAL 19 SER 20 ALA 21 THR 22 LEU 23 ALA 24 ARG 25 ARG 26 LEU 27 LEU 28 LYS 29 HIS 30 PHE 31 GLY 32 SER 33 VAL 34 GLU 35 ARG 36 VAL 37 PHE 38 THR 39 ALA 40 SER 41 VAL 42 ALA 43 GLU 44 LEU 45 MET 46 LYS 47 VAL 48 GLU 49 GLY 50 ILE 51 GLY 52 GLU 53 LYS 54 ILE 55 ALA 56 LYS 57 GLU 58 ILE 59 ARG 60 ARG 61 VAL 62 ILE 63 THR 64 ALA 65 PRO 66 TYR 67 ILE 68 GLU 69

Unit 2

ALA 2 LEU 3 THR 4 LEU 5 ALA 6 GLU 7 ARG 8 GLN 9 ARG 10 LEU 11 ILE 12 VAL 13 GLU 14 GLY 15 LEU 16 PRO 17 HIS 18 VAL 19 SER 20 ALA 21 THR 22 LEU 23 ALA 24 ARG 25 ARG 26 LEU 27 LEU 28 LYS 29 HIS 30 PHE 31 GLY 32 SER 33 VAL 34 GLU 35 ARG 36 VAL 37 PHE 38 THR 39 ALA 40 SER 41 VAL 42 ALA 43 GLU 44 LEU 45 MET 46 LYS 47 VAL 48 GLU 49 GLY 50 ILE 51 GLY 52 GLU 53 LYS 54 ILE 55 ALA 56 LYS 57 GLU 58 ILE 59 ARG 60 ARG 61 VAL 62 ILE 63 THR 64 ALA 65 PRO 66 TYR 67 ILE 68 GLU 69