1Y8K - Sequence, Chains, Asymmetric and Biological Units

• Title: HORSE METHEMOGLOBIN LOW SALT, PH 7.0 (88% RELATIVE HUMIDITY)
• Keywords: AQUO METHEMOGLOBIN, QUARTERNARY ASSOCIATION, ALLOSTERIC TRANSITION, PROTEIN HYDRATION, OXYGEN STORAGE/TRANSPORT COMPLEX
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1Y8K	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	HEMOGLOBIN ALPHA CHAINS	A	141	1069	0
2	Protein	HEMOGLOBIN BETA CHAIN	B	146	1134	0
3	Protein	HEMOGLOBIN ALPHA CHAINS	C	141	1069	0
4	Protein	HEMOGLOBIN BETA CHAIN	D	146	1134	0
5	Ligand	HEMOGLOBIN ALPHA CHAINS	A	1	0	43
6	Ligand	HEMOGLOBIN BETA CHAIN	B	1	0	43
7	Ligand	HEMOGLOBIN ALPHA CHAINS	C	1	0	43
8	Ligand	HEMOGLOBIN BETA CHAIN	D	1	0	43
9	Water			386	0	386
total				964	4406	558

Proteins

Unit 1	VAL 1 LEU 2 SER 3 ALA 4 ALA 5 ASP 6 LYS 7 THR 8 ASN 9 VAL 10 LYS 11 ALA 12 ALA 13 TRP 14 SER 15 LYS 16 VAL 17 GLY 18 GLY 19 HIS 20 ALA 21 GLY 22 GLU 23 TYR 24 GLY 25 ALA 26 GLU 27 ALA 28 LEU 29 GLU 30 ARG 31 MET 32 PHE 33 LEU 34 GLY 35 PHE 36 PRO 37 THR 38 THR 39 LYS 40 THR 41 TYR 42 PHE 43 PRO 44 HIS 45 PHE 46 ASP 47 LEU 48 SER 49 HIS 50 GLY 51 SER 52 ALA 53 GLN 54 VAL 55 LYS 56 ALA 57 HIS 58 GLY 59 LYS 60 LYS 61 VAL 62 GLY 63 ASP 64 ALA 65 LEU 66 THR 67 LEU 68 ALA 69 VAL 70 GLY 71 HIS 72 LEU 73 ASP 74 ASP 75 LEU 76 PRO 77 GLY 78 ALA 79 LEU 80 SER 81 ASP 82 LEU 83 SER 84 ASN 85 LEU 86 HIS 87 ALA 88 HIS 89 LYS 90 LEU 91 ARG 92 VAL 93 ASP 94 PRO 95 VAL 96 ASN 97 PHE 98 LYS 99 LEU 100 LEU 101 SER 102 HIS 103 CYS 104 LEU 105 LEU 106 SER 107 THR 108 LEU 109 ALA 110 VAL 111 HIS 112 LEU 113 PRO 114 ASN 115 ASP 116 PHE 117 THR 118 PRO 119 ALA 120 VAL 121 HIS 122 ALA 123 SER 124 LEU 125 ASP 126 LYS 127 PHE 128 LEU 129 SER 130 SER 131 VAL 132 SER 133 THR 134 VAL 135 LEU 136 THR 137 SER 138 LYS 139 TYR 140 ARG 141
Unit 2	VAL 1 GLN 2 LEU 3 SER 4 GLY 5 GLU 6 GLU 7 LYS 8 ALA 9 ALA 10 VAL 11 LEU 12 ALA 13 LEU 14 TRP 15 ASP 16 LYS 17 VAL 18 ASN 19 GLU 20 GLU 21 GLU 22 VAL 23 GLY 24 GLY 25 GLU 26 ALA 27 LEU 28 GLY 29 ARG 30 LEU 31 LEU 32 VAL 33 VAL 34 TYR 35 PRO 36 TRP 37 THR 38 GLN 39 ARG 40 PHE 41 PHE 42 ASP 43 SER 44 PHE 45 GLY 46 ASP 47 LEU 48 SER 49 ASN 50 PRO 51 GLY 52 ALA 53 VAL 54 MET 55 GLY 56 ASN 57 PRO 58 LYS 59 VAL 60 LYS 61 ALA 62 HIS 63 GLY 64 LYS 65 LYS 66 VAL 67 LEU 68 HIS 69 SER 70 PHE 71 GLY 72 GLU 73 GLY 74 VAL 75 HIS 76 HIS 77 LEU 78 ASP 79 ASN 80 LEU 81 LYS 82 GLY 83 THR 84 PHE 85 ALA 86 ALA 87 LEU 88 SER 89 GLU 90 LEU 91 HIS 92 CYS 93 ASP 94 LYS 95 LEU 96 HIS 97 VAL 98 ASP 99 PRO 100 GLU 101 ASN 102 PHE 103 ARG 104 LEU 105 LEU 106 GLY 107 ASN 108 VAL 109 LEU 110 VAL 111 VAL 112 VAL 113 LEU 114 ALA 115 ARG 116 HIS 117 PHE 118 GLY 119 LYS 120 ASP 121 PHE 122 THR 123 PRO 124 GLU 125 LEU 126 GLN 127 ALA 128 SER 129 TYR 130 GLN 131 LYS 132 VAL 133 VAL 134 ALA 135 GLY 136 VAL 137 ALA 138 ASN 139 ALA 140 LEU 141 ALA 142 HIS 143 LYS 144 TYR 145 HIS 146
Unit 3	VAL 1 LEU 2 SER 3 ALA 4 ALA 5 ASP 6 LYS 7 THR 8 ASN 9 VAL 10 LYS 11 ALA 12 ALA 13 TRP 14 SER 15 LYS 16 VAL 17 GLY 18 GLY 19 HIS 20 ALA 21 GLY 22 GLU 23 TYR 24 GLY 25 ALA 26 GLU 27 ALA 28 LEU 29 GLU 30 ARG 31 MET 32 PHE 33 LEU 34 GLY 35 PHE 36 PRO 37 THR 38 THR 39 LYS 40 THR 41 TYR 42 PHE 43 PRO 44 HIS 45 PHE 46 ASP 47 LEU 48 SER 49 HIS 50 GLY 51 SER 52 ALA 53 GLN 54 VAL 55 LYS 56 ALA 57 HIS 58 GLY 59 LYS 60 LYS 61 VAL 62 GLY 63 ASP 64 ALA 65 LEU 66 THR 67 LEU 68 ALA 69 VAL 70 GLY 71 HIS 72 LEU 73 ASP 74 ASP 75 LEU 76 PRO 77 GLY 78 ALA 79 LEU 80 SER 81 ASP 82 LEU 83 SER 84 ASN 85 LEU 86 HIS 87 ALA 88 HIS 89 LYS 90 LEU 91 ARG 92 VAL 93 ASP 94 PRO 95 VAL 96 ASN 97 PHE 98 LYS 99 LEU 100 LEU 101 SER 102 HIS 103 CYS 104 LEU 105 LEU 106 SER 107 THR 108 LEU 109 ALA 110 VAL 111 HIS 112 LEU 113 PRO 114 ASN 115 ASP 116 PHE 117 THR 118 PRO 119 ALA 120 VAL 121 HIS 122 ALA 123 SER 124 LEU 125 ASP 126 LYS 127 PHE 128 LEU 129 SER 130 SER 131 VAL 132 SER 133 THR 134 VAL 135 LEU 136 THR 137 SER 138 LYS 139 TYR 140 ARG 141
Unit 4	VAL 1 GLN 2 LEU 3 SER 4 GLY 5 GLU 6 GLU 7 LYS 8 ALA 9 ALA 10 VAL 11 LEU 12 ALA 13 LEU 14 TRP 15 ASP 16 LYS 17 VAL 18 ASN 19 GLU 20 GLU 21 GLU 22 VAL 23 GLY 24 GLY 25 GLU 26 ALA 27 LEU 28 GLY 29 ARG 30 LEU 31 LEU 32 VAL 33 VAL 34 TYR 35 PRO 36 TRP 37 THR 38 GLN 39 ARG 40 PHE 41 PHE 42 ASP 43 SER 44 PHE 45 GLY 46 ASP 47 LEU 48 SER 49 ASN 50 PRO 51 GLY 52 ALA 53 VAL 54 MET 55 GLY 56 ASN 57 PRO 58 LYS 59 VAL 60 LYS 61 ALA 62 HIS 63 GLY 64 LYS 65 LYS 66 VAL 67 LEU 68 HIS 69 SER 70 PHE 71 GLY 72 GLU 73 GLY 74 VAL 75 HIS 76 HIS 77 LEU 78 ASP 79 ASN 80 LEU 81 LYS 82 GLY 83 THR 84 PHE 85 ALA 86 ALA 87 LEU 88 SER 89 GLU 90 LEU 91 HIS 92 CYS 93 ASP 94 LYS 95 LEU 96 HIS 97 VAL 98 ASP 99 PRO 100 GLU 101 ASN 102 PHE 103 ARG 104 LEU 105 LEU 106 GLY 107 ASN 108 VAL 109 LEU 110 VAL 111 VAL 112 VAL 113 LEU 114 ALA 115 ARG 116 HIS 117 PHE 118 GLY 119 LYS 120 ASP 121 PHE 122 THR 123 PRO 124 GLU 125 LEU 126 GLN 127 ALA 128 SER 129 TYR 130 GLN 131 LYS 132 VAL 133 VAL 134 ALA 135 GLY 136 VAL 137 ALA 138 ASN 139 ALA 140 LEU 141 ALA 142 HIS 143 LYS 144 TYR 145 HIS 146

Ligands

Unit 5	HEM 142
Unit 6	HEM 147
Unit 7	HEM 142
Unit 8	HEM 147