2XRS - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURES EXPLORING THE ORIGINS OF THE BROADER SPEC ESCHERICHIA COLI HEAT-LABILE ENTEROTOXIN COMPARED TO CHOLER
• Keywords: TOXIN, HOST-PATHOGEN INTERACTIONS, MOLECULAR RECOGNITION, PR CARBOHYDRATE INTERACTION
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	HEAT-LABILE ENTEROTOXIN B CHAIN	D	103	824	0
2	Protein	HEAT-LABILE ENTEROTOXIN B CHAIN	E	103	824	0
3	Protein	HEAT-LABILE ENTEROTOXIN B CHAIN	F	103	824	0
4	Protein	HEAT-LABILE ENTEROTOXIN B CHAIN	G	103	824	0
5	Protein	HEAT-LABILE ENTEROTOXIN B CHAIN	H	103	824	0
6	Protein	HEAT-LABILE ENTEROTOXIN B CHAIN	L	103	824	0
7	Protein	HEAT-LABILE ENTEROTOXIN B CHAIN	M	103	824	0
8	Protein	HEAT-LABILE ENTEROTOXIN B CHAIN	N	103	824	0
9	Protein	HEAT-LABILE ENTEROTOXIN B CHAIN	O	103	824	0
10	Protein	HEAT-LABILE ENTEROTOXIN B CHAIN	P	103	824	0
11	Ligand		A	2	0	26
12	Ligand		B	3	0	36
13	Ligand		C	2	0	26
14	Ligand		I	2	0	25
15	Ligand		J	2	0	26
16	Ligand		K	2	0	26
17	Ligand		Q	3	0	37
18	Ligand		R	2	0	26
19	Ligand		S	2	0	26
20	Ligand	HEAT-LABILE ENTEROTOXIN B CHAIN	N	1	0	12
21	Water			819	0	819
total				1870	8240	1085

Proteins

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

Ligands

Unit 11	NAG 1 GAL 2
Unit 12	GAL 1 NAG 2 GAL 3
Unit 13	NAG 1 GAL 2
Unit 14	NAG 1 GAL 2
Unit 15	NAG 1 GAL 2
Unit 16	NAG 1 GAL 2
Unit 17	GAL 1 NAG 2 GAL 3
Unit 18	NAG 1 GAL 2
Unit 19	NAG 1 GAL 2
Unit 20	GAL 201