4MHQ
Crystal structure of human primase catalytic subunit
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0000287 | molecular_function | magnesium ion binding |
| A | 0000428 | cellular_component | DNA-directed RNA polymerase complex |
| A | 0003896 | molecular_function | DNA primase activity |
| A | 0005515 | molecular_function | protein binding |
| A | 0005654 | cellular_component | nucleoplasm |
| A | 0005658 | cellular_component | alpha DNA polymerase:primase complex |
| A | 0006260 | biological_process | DNA replication |
| A | 0006269 | biological_process | DNA replication, synthesis of primer |
| A | 0006270 | biological_process | DNA replication initiation |
| A | 0008270 | molecular_function | zinc ion binding |
| A | 0016020 | cellular_component | membrane |
| A | 0016779 | molecular_function | nucleotidyltransferase activity |
| A | 0032553 | molecular_function | ribonucleotide binding |
| A | 0046872 | molecular_function | metal ion binding |
| A | 1990077 | cellular_component | primosome complex |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ZN A 501 |
| Chain | Residue |
| A | CYS121 |
| A | CYS122 |
| A | CYS128 |
| A | CYS131 |
| site_id | AC2 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE CIT A 502 |
| Chain | Residue |
| A | GLY164 |
| A | HIS166 |
| A | HIS324 |
| A | LYS326 |
| A | HOH736 |
| A | HOH752 |
| A | HOH821 |
| A | ASP109 |
| A | ASP111 |
| A | SER160 |
| A | ARG162 |
| A | ARG163 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 3 |
| Details | ACT_SITE: ACT_SITE => ECO:0000255 |
| Chain | Residue | Details |
| A | GLU44 | |
| A | ASP109 | |
| A | ASP111 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 3 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:31479243, ECO:0007744|PDB:6R4S |
| Chain | Residue | Details |
| A | ASP109 | |
| A | ASP111 | |
| A | ASP306 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 4 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:24043831, ECO:0000269|PubMed:25550159, ECO:0000269|PubMed:26975377, ECO:0000269|PubMed:31479243 |
| Chain | Residue | Details |
| A | CYS121 | |
| A | CYS122 | |
| A | CYS128 | |
| A | CYS131 |
| site_id | SWS_FT_FI4 |
| Number of Residues | 1 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:24043831, ECO:0000269|PubMed:24239947, ECO:0000269|PubMed:31479243 |
| Chain | Residue | Details |
| A | SER160 |
| site_id | SWS_FT_FI5 |
| Number of Residues | 1 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:24043831, ECO:0000269|PubMed:31479243 |
| Chain | Residue | Details |
| A | HIS315 |
| site_id | SWS_FT_FI6 |
| Number of Residues | 1 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:31479243 |
| Chain | Residue | Details |
| A | HIS324 |
| site_id | SWS_FT_FI7 |
| Number of Residues | 1 |
| Details | MOD_RES: N-acetylmethionine => ECO:0007744|PubMed:22223895 |
| Chain | Residue | Details |
| A | MET1 |
