2IG3 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF GROUP III TRUNCATED HEMOGLOBIN FROM CAM JEJUNI
• Keywords: TRUNCATED HEMOGLOBIN, 2-ON-2 GLOBIN, OXYGEN STORAGE-TRANSPOR
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	2IG3	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	GROUP III TRUNCATED HAEMOGLOBIN	A	127	1056	0
2	Protein	GROUP III TRUNCATED HAEMOGLOBIN	B	124	1038	0
3	Ligand	GROUP III TRUNCATED HAEMOGLOBIN	A	4	0	54
4	Ligand	GROUP III TRUNCATED HAEMOGLOBIN	B	7	0	68
5	Water			92	0	92
total				354	2094	214

Proteins

Unit 1

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

Unit 2

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

Ligands

Unit 3	HEM 700 CYN 800 SO4 812 ACT 820
Unit 4	HEM 700 CYN 800 SO4 810 SO4 811 SO4 813 ACT 822 ACT 823