4IRW - Sequence, Chains, Asymmetric and Biological Units

• Title: CO-CRYSTALLIZATION OF STREPTAVIDIN-BIOTIN COMPLEX WITH A LAN LIGAND COMPLEX GIVES RISE TO A NOVEL CRYSTAL FORM
• Keywords: BETA BARREL, BIOTIN BINDING PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	4IRW	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	STREPTAVIDIN	A	123	1762	0
2	Ligand	STREPTAVIDIN	A	19	0	199
3	Water			115	0	115
total				257	1762	314

Proteins

Unit 1

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

Ligands

Unit 2

PDC 201 PDC 202 PDC 203 PDC 204 PDC 205 PDC 206 PDC 207 PDC 208 PDC 209 PDC 210 PDC 211 PDC 212 BTN 213 TB 214 TB 215 TB 216 TB 217 TB 218 NA 219