1EN2 - Sequence, Chains, Asymmetric and Biological Units

• Title: UDA TETRASACCHARIDE COMPLEX. CRYSTAL STRUCTURE OF URTICA DIO AGGLUTININ, A SUPERANTIGEN PRESENTED BY MHC MOLECULES OF CL CLASS II
• Keywords: LECTIN, HEVEIN DOMAIN, UDA, SUPERANTIGEN, SACCHARIDE BINDING BINDING PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1EN2	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	AGGLUTININ ISOLECTIN I/AGGLUTININ ISOLECTIN V/ AG ISOLECTIN VI	A	86	652	8
2	Ligand		B	4	0	56
3	Water			76	0	76
total				166	652	140

Proteins

Unit 1

PCA 1 ARG 2 CYS 3 GLY 4 SER 5 GLN 6 GLY 7 GLY 8 GLY 9 SER 10 THR 11 CYS 12 PRO 13 GLY 14 LEU 15 ARG 16 CYS 17 CYS 18 SER 19 ILE 20 TRP 21 GLY 22 TRP 23 CYS 24 GLY 25 ASP 26 SER 27 GLU 28 PRO 29 TYR 30 CYS 31 GLY 32 ARG 33 THR 34 CYS 35 GLU 36 ASN 37 LYS 38 CYS 39 TRP 40 SER 41 GLY 42 GLU 43 ARG 44 SER 45 ASP 46 HIS 47 ARG 48 CYS 49 GLY 50 ALA 51 ALA 52 VAL 53 GLY 54 ASN 55 PRO 56 PRO 57 CYS 58 GLY 59 GLN 60 ASP 61 ARG 62 CYS 63 CYS 64 SER 65 VAL 66 HIS 67 GLY 68 TRP 69 CYS 70 GLY 71 GLY 72 GLY 73 ASN 74 ASP 75 TYR 76 CYS 77 SER 78 GLY 79 GLY 80 ASN 81 CYS 82 GLN 83 TYR 84 ARG 85 CYS 86

Ligands

Unit 2

NAG 1 NAG 2 NAG 3 NAG 4