2HCT
Acidic residues at the active sites of CD38 and ADP-ribosyl cyclase determine NAAPD synthesis and hydrolysis activities
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | ADP-ribosyl cyclase 1 | polymer | 262 | 30308.3 | 2 | UniProt (P28907) Pfam (PF02267) In PDB | Homo sapiens (human) | Cyclic ADP-ribose hydrolase 1, cADPr hydrolase 1, Lymphocyte differentiation antigen CD38, T10, Acute lymphoblastic leukemia cells antigen CD38 |
| 2 | A, B | BETA-NICOTINAMIDE RIBOSE MONOPHOSPHATE | non-polymer | 335.2 | 2 | Chemie (NMN) | |||
| 3 | water | water | 18.0 | 257 | Chemie (HOH) |
Sequence modifications
A, B: 45 - 300 (UniProt: P28907)
| PDB | External Database | Details |
|---|---|---|
| Lys 39 | - | cloning artifact |
| Arg 40 | - | cloning artifact |
| Glu 41 | - | cloning artifact |
| Ala 42 | - | cloning artifact |
| Glu 43 | - | cloning artifact |
| Ala 44 | - | cloning artifact |
| Thr 49 | - | engineered mutation |
| Asp 100 | Asn 100 | engineered mutation |
| Asp 164 | Asn 164 | engineered mutation |
| Asp 209 | Asn 209 | engineered mutation |
| Asp 219 | Asn 219 | engineered mutation |
| Gly 226 | Glu 226 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 60616.7 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 670.5 | |
| All* | Total formula weight | 61287.1 |
