1TIL
Crystal Structures of the ADP and ATP bound forms of the Bacillus Anti-sigma factor SpoIIAB in complex with the Anti-anti-sigma SpoIIAA:Poised for phosphorylation complex with ATP, crystal form II
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C, E (A, C, E) | Anti-sigma F factor | polymer | 146 | 16210.3 | 3 | UniProt (O32727) Pfam (PF02518) | Geobacillus stearothermophilus | Stage II sporulation protein AB |
| 2 | B, D, F (B, D, F) | Anti-sigma F factor antagonist | polymer | 119 | 13082.2 | 3 | UniProt (O32726) Pfam (PF01740) | Geobacillus stearothermophilus | Stage II sporulation protein AA |
| 3 | G, I, K (A, C, E) | MAGNESIUM ION | non-polymer | 24.3 | 3 | Chemie (MG) | |||
| 4 | H, J, L (A, C, E) | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 3 | Chemie (ATP) | |||
| 5 | M, N, O, P, Q... (A, B, C, D, E...) | water | water | 18.0 | 155 | Chemie (HOH) |
Sequence modifications
A, C, E: 1 - 146 (UniProt: O32727)
B, D, F: 1 - 116 (UniProt: O32726)
| PDB | External Database | Details |
|---|---|---|
| Met 34 | Thr 34 | SEE REMARK 999 |
| His 137 | Ala 137 | SEE REMARK 999 |
| Ile 138 | Tyr 138 | SEE REMARK 999 |
| Val 139 | Cys 139 | SEE REMARK 999 |
| Lys 140 | Glu 140 | SEE REMARK 999 |
| Ser 141 | Lys 141 | SEE REMARK 999 |
| Lys 142 | Gln 142 | SEE REMARK 999 |
| Ala 143 | Thr 143 | SEE REMARK 999 |
| Ser 145 | Cys 145 | engineered mutation |
| PDB | External Database | Details |
|---|---|---|
| Gly -2 | - | cloning artifact |
| Ser -1 | - | cloning artifact |
| His 0 | - | cloning artifact |
| Val 13 | Glu 13 | SEE REMARK 999 |
| Glu 29 | Asn 29 | SEE REMARK 999 |
| Leu 30 | Cys 30 | SEE REMARK 999 |
| Arg 31 | Met 31 | SEE REMARK 999 |
| Glu 32 | Asn 32 | SEE REMARK 999 |
| Gln 33 | Lys 33 | SEE REMARK 999 |
| Val 34 | Cys 34 | SEE REMARK 999 |
| Thr 35 | Arg 35 | SEE REMARK 999 |
| Asp 36 | Met 36 | SEE REMARK 999 |
| Val 37 | Cys 37 | SEE REMARK 999 |
| Asn 40 | Lys 40 | SEE REMARK 999 |
| Ala 58 | Ser 58 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 87877.6 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 1594.5 | |
| All* | Total formula weight | 89472.0 |






