1PYL - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF RIBONUCLEASE SA2
• Keywords: ALPHA-BETA STRUCTURE, HYDROLASE
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	RIBONUCLEASE	A	96	1477	0
2	Protein	RIBONUCLEASE	B	94	1459	0
3	Ligand	RIBONUCLEASE	A	2	0	10
4	Ligand	RIBONUCLEASE	B	2	0	10
5	Water			171	0	171
total				365	2936	191

Proteins

Unit 1

ASP 2 PRO 3 ALA 4 LEU 5 ALA 6 ASP 7 VAL 8 CYS 9 ARG 10 THR 11 LYS 12 LEU 13 PRO 14 SER 15 GLN 16 ALA 17 GLN 18 ASP 19 THR 20 LEU 21 ALA 22 LEU 23 ILE 24 ALA 25 LYS 26 ASN 27 GLY 28 PRO 29 TYR 30 PRO 31 TYR 32 ASN 33 ARG 34 ASP 35 GLY 36 VAL 37 VAL 38 PHE 39 GLU 40 ASN 41 ARG 42 GLU 43 SER 44 ARG 45 LEU 46 PRO 47 LYS 48 LYS 49 GLY 50 ASN 51 GLY 52 TYR 53 TYR 54 HIS 55 GLU 56 PHE 57 THR 58 VAL 59 VAL 60 THR 61 PRO 62 GLY 63 SER 64 ASN 65 ASP 66 ARG 67 GLY 68 THR 69 ARG 70 ARG 71 VAL 72 VAL 73 THR 74 GLY 75 GLY 76 TYR 77 GLY 78 GLU 79 GLN 80 TYR 81 TRP 82 SER 83 PRO 84 ASP 85 HIS 86 TYR 87 ALA 88 THR 89 PHE 90 GLN 91 GLU 92 ILE 93 ASP 94 PRO 95 ARG 96 CYS 97

Unit 2

ALA 4 LEU 5 ALA 6 ASP 7 VAL 8 CYS 9 ARG 10 THR 11 LYS 12 LEU 13 PRO 14 SER 15 GLN 16 ALA 17 GLN 18 ASP 19 THR 20 LEU 21 ALA 22 LEU 23 ILE 24 ALA 25 LYS 26 ASN 27 GLY 28 PRO 29 TYR 30 PRO 31 TYR 32 ASN 33 ARG 34 ASP 35 GLY 36 VAL 37 VAL 38 PHE 39 GLU 40 ASN 41 ARG 42 GLU 43 SER 44 ARG 45 LEU 46 PRO 47 LYS 48 LYS 49 GLY 50 ASN 51 GLY 52 TYR 53 TYR 54 HIS 55 GLU 56 PHE 57 THR 58 VAL 59 VAL 60 THR 61 PRO 62 GLY 63 SER 64 ASN 65 ASP 66 ARG 67 GLY 68 THR 69 ARG 70 ARG 71 VAL 72 VAL 73 THR 74 GLY 75 GLY 76 TYR 77 GLY 78 GLU 79 GLN 80 TYR 81 TRP 82 SER 83 PRO 84 ASP 85 HIS 86 TYR 87 ALA 88 THR 89 PHE 90 GLN 91 GLU 92 ILE 93 ASP 94 PRO 95 ARG 96 CYS 97

Ligands

Unit 3	SO4 199 SO4 201
Unit 4	SO4 198 SO4 200