1S6B - Sequence, Chains, Asymmetric and Biological Units

• Title: X-RAY CRYSTAL STRUCTURE OF A COMPLEX FORMED BETWEEN TWO HOMO ISOFORMS OF PHOSPHOLIPASE A2 FROM NAJA NAJA SAGITTIFERA: PR MOLECULAR ASSOCIATION AND INACTIVATION
• Keywords: PHOSPHOLIPASE A2, MOLECULAR CONFORMATION, ENZYME ACTIVITY, H
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1S6B	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	PHOSPHOLIPASE A2 ISOFORM 1	A	119	916	0
2	Protein	PHOSPHOLIPASE A2 ISOFORM 2	B	119	921	0
3	Ligand	PHOSPHOLIPASE A2 ISOFORM 1	A	2	0	6
4	Ligand	PHOSPHOLIPASE A2 ISOFORM 2	B	4	0	14
5	Water			354	0	354
total				598	1837	374

Proteins

Unit 1

ASN 1 THR 2 TYR 3 GLN 4 PHE 5 LYS 6 ASN 7 MET 8 ILE 9 GLN 10 CYS 11 THR 12 VAL 13 PRO 14 LYS 15 ARG 17 SER 18 TRP 19 TRP 20 ASP 21 PHE 22 ALA 23 ASP 24 TYR 25 GLY 26 CYS 27 TYR 28 CYS 29 GLY 30 ARG 31 GLY 32 GLY 33 SER 34 GLY 35 THR 36 PRO 37 ILE 38 ASP 39 ASP 40 LEU 41 ASP 42 ARG 43 CYS 44 CYS 45 GLN 46 VAL 47 HIS 48 ASP 49 ASN 50 CYS 51 TYR 52 ASN 53 SER 54 ALA 55 ARG 56 GLU 57 GLN 58 GLY 59 GLY 60 CYS 61 ARG 62 PRO 63 LYS 64 GLN 65 LYS 66 THR 67 TYR 68 SER 69 TYR 70 GLU 71 CYS 72 LYS 73 ALA 74 GLY 75 THR 76 LEU 77 SER 78 CYS 79 SER 80 GLY 81 SER 82 ASN 83 ASN 84 SER 85 CYS 86 ALA 87 ALA 88 THR 89 VAL 90 CYS 91 ASP 92 CYS 93 ASP 94 ARG 95 LEU 96 ALA 97 ALA 98 ILE 99 CYS 100 PHE 101 ALA 102 GLY 103 ALA 104 PRO 105 TYR 106 ASN 107 ASP 108 ASN 109 ASN 110 TYR 111 ASN 112 ILE 113 ASP 114 LEU 115 LYS 116 ALA 117 ARG 118 CYS 119 GLN 120

Unit 2

ASN 1 ARG 2 TRP 3 GLN 4 PHE 5 LYS 6 ASN 7 MET 8 ILE 9 SER 10 CYS 11 THR 12 VAL 13 PRO 14 SER 15 ARG 17 SER 18 TRP 19 TRP 20 ASP 21 PHE 22 ALA 23 ASP 24 TYR 25 GLY 26 CYS 27 TYR 28 CYS 29 GLY 30 ARG 31 GLY 32 GLY 33 SER 34 GLY 35 THR 36 PRO 37 VAL 38 ASP 39 ASP 40 LEU 41 ASP 42 ARG 43 CYS 44 CYS 45 GLN 46 VAL 47 HIS 48 ASP 49 ASN 50 CYS 51 TYR 52 ASN 53 GLU 54 ALA 55 GLU 56 LYS 57 ILE 58 SER 59 GLY 60 CYS 61 ASN 62 PRO 63 ARG 64 PHE 65 ARG 66 THR 67 TYR 68 SER 69 TYR 70 GLU 71 CYS 72 THR 73 ALA 74 GLY 75 THR 76 LEU 77 THR 78 CYS 79 THR 80 GLY 81 ARG 82 ASN 83 ASN 84 ALA 85 CYS 86 ALA 87 ALA 88 SER 89 VAL 90 CYS 91 ASP 92 CYS 93 ASP 94 ARG 95 LEU 96 ALA 97 ALA 98 ILE 99 CYS 100 PHE 101 ALA 102 GLY 103 ALA 104 PRO 105 TYR 106 ASN 107 ASP 108 ASN 109 ASN 110 TYR 111 ASN 112 ILE 113 ASP 114 LEU 115 GLN 116 ALA 117 ARG 118 CYS 119 ASN 120

Ligands

Unit 3	CA 401 PO4 502
Unit 4	CA 402 PO4 501 ACY 601 ACY 602