1SD4 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF A SEMET DERIVATIVE OF BLAI AT 2.0 A
• Keywords: BLAI, MECI, REPRESSOR, METHICILLIN, B-LACTAM, DNA BINDING PR
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1SD4	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	PENICILLINASE REPRESSOR	A	122	986	32
2	Protein	PENICILLINASE REPRESSOR	B	122	986	32
3	Ligand	PENICILLINASE REPRESSOR	A	1	0	5
4	Ligand	PENICILLINASE REPRESSOR	B	3	0	15
5	Water			225	0	225
total				473	1972	309

Proteins

Unit 1

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

Unit 2

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

Ligands

Unit 3	SO4 307
Unit 4	SO4 301 SO4 303 SO4 305