1ECN - Sequence, Chains, Asymmetric and Biological Units

• Title: STRUCTURE OF ERYTHROCRUORIN IN DIFFERENT LIGAND STATES REFINED AT 1.4 ANGSTROMS RESOLUTION
• Keywords: OXYGEN TRANSPORT
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	ERYTHROCRUORIN (CYANO MET)	A	136	1044	0
2	Ligand	ERYTHROCRUORIN (CYANO MET)	A	2	0	45
3	Water			95	0	95
total				233	1044	140

Proteins

Unit 1

LEU 1 SER 2 ALA 3 ASP 4 GLN 5 ILE 6 SER 7 THR 8 VAL 9 GLN 10 ALA 11 SER 12 PHE 13 ASP 14 LYS 15 VAL 16 LYS 17 GLY 18 ASP 19 PRO 20 VAL 21 GLY 22 ILE 23 LEU 24 TYR 25 ALA 26 VAL 27 PHE 28 LYS 29 ALA 30 ASP 31 PRO 32 SER 33 ILE 34 MET 35 ALA 36 LYS 37 PHE 38 THR 39 GLN 40 PHE 41 ALA 42 GLY 43 LYS 44 ASP 45 LEU 46 GLU 47 SER 48 ILE 49 LYS 50 GLY 51 THR 52 ALA 53 PRO 54 PHE 55 GLU 56 THR 57 HIS 58 ALA 59 ASN 60 ARG 61 ILE 62 VAL 63 GLY 64 PHE 65 PHE 66 SER 67 LYS 68 ILE 69 ILE 70 GLY 71 GLU 72 LEU 73 PRO 74 ASN 75 ILE 76 GLU 77 ALA 78 ASP 79 VAL 80 ASN 81 THR 82 PHE 83 VAL 84 ALA 85 SER 86 HIS 87 LYS 88 PRO 89 ARG 90 GLY 91 VAL 92 THR 93 HIS 94 ASP 95 GLN 96 LEU 97 ASN 98 ASN 99 PHE 100 ARG 101 ALA 102 GLY 103 PHE 104 VAL 105 SER 106 TYR 107 MET 108 LYS 109 ALA 110 HIS 111 THR 112 ASP 113 PHE 114 ALA 115 GLY 116 ALA 117 GLU 118 ALA 119 ALA 120 TRP 121 GLY 122 ALA 123 THR 124 LEU 125 ASP 126 THR 127 PHE 128 PHE 129 GLY 130 MET 131 ILE 132 PHE 133 SER 134 LYS 135 MET 136

Ligands

Unit 2

CYN 137 HEM 138