1ITH - Sequence, Chains, Asymmetric and Biological Units

• Title: STRUCTURE DETERMINATION AND REFINEMENT OF HOMOTETRAMERIC HEMOGLOBIN FROM URECHIS CAUPO AT 2.5 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	1ITH	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	HEMOGLOBIN (CYANO MET)	A	141	1063	0
2	Protein	HEMOGLOBIN (CYANO MET)	B	141	1063	0
3	Ligand	HEMOGLOBIN (CYANO MET)	A	2	0	45
4	Ligand	HEMOGLOBIN (CYANO MET)	B	2	0	45
5	Water			150	0	150
total				436	2126	240

Proteins

Unit 1

GLY 1 LEU 2 THR 3 ALA 4 ALA 5 GLN 6 ILE 7 LYS 8 ALA 9 ILE 10 GLN 11 ASP 12 HIS 13 TRP 14 PHE 15 LEU 16 ASN 17 ILE 18 LYS 19 GLY 20 CYS 21 LEU 22 GLN 23 ALA 24 ALA 25 ALA 26 ASP 27 SER 28 ILE 29 PHE 30 PHE 31 LYS 32 TYR 33 LEU 34 THR 35 ALA 36 TYR 37 PRO 38 GLY 39 ASP 40 LEU 41 ALA 42 PHE 43 PHE 44 HIS 45 LYS 46 PHE 47 SER 48 SER 49 VAL 50 PRO 51 LEU 52 TYR 53 GLY 54 LEU 55 ARG 56 SER 57 ASN 58 PRO 59 ALA 60 TYR 61 LYS 62 ALA 63 GLN 64 THR 65 LEU 66 THR 67 VAL 68 ILE 69 ASN 70 TYR 71 LEU 72 ASP 73 LYS 74 VAL 75 VAL 76 ASP 77 ALA 78 LEU 79 GLY 80 GLY 81 ASN 82 ALA 83 GLY 84 ALA 85 LEU 86 MET 87 LYS 88 ALA 89 LYS 90 VAL 91 PRO 92 SER 93 HIS 94 ASP 95 ALA 96 MET 97 GLY 98 ILE 99 THR 100 PRO 101 LYS 102 HIS 103 PHE 104 GLY 105 GLN 106 LEU 107 LEU 108 LYS 109 LEU 110 VAL 111 GLY 112 GLY 113 VAL 114 PHE 115 GLN 116 GLU 117 GLU 118 PHE 119 SER 120 ALA 121 ASP 122 PRO 123 THR 124 THR 125 VAL 126 ALA 127 ALA 128 TRP 129 GLY 130 ASP 131 ALA 132 ALA 133 GLY 134 VAL 135 LEU 136 VAL 137 ALA 138 ALA 139 MET 140 LYS 141

Unit 2

GLY 1 LEU 2 THR 3 ALA 4 ALA 5 GLN 6 ILE 7 LYS 8 ALA 9 ILE 10 GLN 11 ASP 12 HIS 13 TRP 14 PHE 15 LEU 16 ASN 17 ILE 18 LYS 19 GLY 20 CYS 21 LEU 22 GLN 23 ALA 24 ALA 25 ALA 26 ASP 27 SER 28 ILE 29 PHE 30 PHE 31 LYS 32 TYR 33 LEU 34 THR 35 ALA 36 TYR 37 PRO 38 GLY 39 ASP 40 LEU 41 ALA 42 PHE 43 PHE 44 HIS 45 LYS 46 PHE 47 SER 48 SER 49 VAL 50 PRO 51 LEU 52 TYR 53 GLY 54 LEU 55 ARG 56 SER 57 ASN 58 PRO 59 ALA 60 TYR 61 LYS 62 ALA 63 GLN 64 THR 65 LEU 66 THR 67 VAL 68 ILE 69 ASN 70 TYR 71 LEU 72 ASP 73 LYS 74 VAL 75 VAL 76 ASP 77 ALA 78 LEU 79 GLY 80 GLY 81 ASN 82 ALA 83 GLY 84 ALA 85 LEU 86 MET 87 LYS 88 ALA 89 LYS 90 VAL 91 PRO 92 SER 93 HIS 94 ASP 95 ALA 96 MET 97 GLY 98 ILE 99 THR 100 PRO 101 LYS 102 HIS 103 PHE 104 GLY 105 GLN 106 LEU 107 LEU 108 LYS 109 LEU 110 VAL 111 GLY 112 GLY 113 VAL 114 PHE 115 GLN 116 GLU 117 GLU 118 PHE 119 SER 120 ALA 121 ASP 122 PRO 123 THR 124 THR 125 VAL 126 ALA 127 ALA 128 TRP 129 GLY 130 ASP 131 ALA 132 ALA 133 GLY 134 VAL 135 LEU 136 VAL 137 ALA 138 ALA 139 MET 140 LYS 141

Ligands

Unit 3	CYN 142 HEM 143
Unit 4	CYN 142 HEM 143