5FBK
Crystal structure of the extracellular domain of human calcium sensing receptor
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | Extracellular calcium-sensing receptor | polymer | 568 | 64215.4 | 2 | UniProt (P41180) Pfam (PF01094) In PDB | Homo sapiens (Human) | CaSR,Parathyroid cell calcium-sensing receptor 1,PCaR1 |
2 | A, B | CYCLOMETHYLTRYPTOPHAN | non-polymer | 216.2 | 2 | Chemie (TCR) | |||
3 | A, B | 2-acetamido-2-deoxy-beta-D-glucopyranose | non-polymer | 221.2 | 8 | Chemie (NAG) | |||
4 | A, B | CHLORIDE ION | non-polymer | 35.5 | 6 | Chemie (CL) | |||
5 | A, B | BICARBONATE ION | non-polymer | 61.0 | 2 | Chemie (BCT) | |||
6 | A, B | MAGNESIUM ION | non-polymer | 24.3 | 3 | Chemie (MG) | |||
7 | water | water | 18.0 | 323 | Chemie (HOH) |
Sequence modifications
A, B: 20 - 541 (UniProt: P41180)
PDB | External Database | Details |
---|---|---|
Met -26 | - | initiating methionine |
Arg -25 | - | expression tag |
Leu -24 | - | expression tag |
Leu -23 | - | expression tag |
Thr -22 | - | expression tag |
Ala -21 | - | expression tag |
Leu -20 | - | expression tag |
Phe -19 | - | expression tag |
Ala -18 | - | expression tag |
Tyr -17 | - | expression tag |
Phe -16 | - | expression tag |
Ile -15 | - | expression tag |
Val -14 | - | expression tag |
Ala -13 | - | expression tag |
Leu -12 | - | expression tag |
Ile -11 | - | expression tag |
Leu -10 | - | expression tag |
Ala -9 | - | expression tag |
Phe -8 | - | expression tag |
Ser -7 | - | expression tag |
Val -6 | - | expression tag |
Ser -5 | - | expression tag |
Ala -4 | - | expression tag |
Lys -3 | - | expression tag |
Ser -2 | - | expression tag |
Met -1 | - | expression tag |
His 0 | - | expression tag |
His 1 | - | expression tag |
His 2 | - | expression tag |
His 3 | - | expression tag |
His 4 | - | expression tag |
His 5 | - | expression tag |
His 6 | - | expression tag |
His 7 | - | expression tag |
Ser 8 | - | expression tag |
Ala 9 | - | expression tag |
Trp 10 | - | expression tag |
Ser 11 | - | expression tag |
His 12 | - | expression tag |
Pro 13 | - | expression tag |
Gln 14 | - | expression tag |
Phe 15 | - | expression tag |
Glu 16 | - | expression tag |
Lys 17 | - | expression tag |
Glu 18 | - | expression tag |
Phe 19 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 128430.8 | |
Non-Polymers* | Number of molecules | 21 |
Total formula weight | 2609.8 | |
All* | Total formula weight | 131040.6 |