1QX2 - Sequence, Chains, Asymmetric and Biological Units

• Title: X-RAY STRUCTURE OF CALCIUM-LOADED CALBINDOMODULIN (A CALBIND ENGINEERED TO UNDERGO A CONFORMATIONAL OPENING) AT 1.44 A R
• Keywords: EF-HAND (HELIX-LOOP-HELIX) CALCIUM BINDING PROTEIN, FOUR-HEL DOMAIN, PROTEIN ENGINEERING, CALCIUM-INDUCED CONFORMATIONAL RESPONSE, CALMODULIN, CALBINDIN D9K, SIGNALING PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1QX2	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein		A	76	581	10
2	Protein		B	75	572	10
3	Ligand		A	2	0	2
4	Ligand		B	4	0	4
5	Water			213	0	213
total				370	1153	239

Proteins

Unit 1

FME 0 LYS 1 SER 2 PRO 3 GLU 4 GLU 5 ILE 6 LYS 7 GLY 8 ALA 9 PHE 10 GLU 11 VAL 12 PHE 13 ALA 14 ALA 15 LYS 16 GLU 17 GLY 18 ASP 19 PRO 20 ASN 21 GLN 22 ILE 23 SER 24 LYS 25 GLU 26 GLU 27 LEU 28 LYS 29 LEU 30 VAL 31 MET 32 GLN 33 THR 34 LEU 35 GLY 36 PRO 37 SER 38 LEU 39 LEU 40 LYS 41 GLY 42 MET 43 SER 44 THR 45 LEU 46 ASP 47 GLU 48 MET 49 ILE 50 GLU 51 GLU 52 VAL 53 ASP 54 LYS 55 ASN 56 GLY 57 ASP 58 GLY 59 GLU 60 VAL 61 SER 62 PHE 63 GLU 64 GLU 65 PHE 66 LEU 67 VAL 68 MET 69 MET 70 LYS 71 LYS 72 ILE 73 SER 74 GLN 75

Unit 2

FME 0 LYS 1 SER 2 PRO 3 GLU 4 GLU 5 ILE 6 LYS 7 GLY 8 ALA 9 PHE 10 GLU 11 VAL 12 PHE 13 ALA 14 ALA 15 LYS 16 GLU 17 GLY 18 ASP 19 PRO 20 ASN 21 GLN 22 ILE 23 SER 24 LYS 25 GLU 26 GLU 27 LEU 28 LYS 29 LEU 30 VAL 31 MET 32 GLN 33 THR 34 LEU 35 GLY 36 PRO 37 SER 38 LEU 39 LEU 40 LYS 41 GLY 42 MET 43 SER 44 THR 45 LEU 46 ASP 47 GLU 48 MET 49 ILE 50 GLU 51 GLU 52 VAL 53 ASP 54 LYS 55 ASN 56 GLY 57 ASP 58 GLY 59 GLU 60 VAL 61 SER 62 PHE 63 GLU 64 GLU 65 PHE 66 LEU 67 VAL 68 MET 69 MET 70 LYS 71 LYS 72 ILE 73 SER 74

Ligands

Unit 3	CA 1001 CA 1005
Unit 4	CA 1002 ZN 1003 ZN 1004 CA 1006