Homo sapiens
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein homooligomer | Homooligomer | Protein 2 | No other associated polymer | Consistent with protein count |
| UniProt name | PADI4_HUMAN |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 4–666； UniProt 1–663 |
The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.
| Entry ID entry_id | 3apn |
| Deposition date deposition_date | 2010-10-19 |
| Structure title title | Crystal structure of the human wild-type PAD4 protein |
| Keywords keywords | ;alpha/beta-propeller, immunoglobulin-like, arginine citrullination, hydrolase, protein-arginine deiminase, post-translational modification, Calcium binding, histone binding, benzoyl-L-arginine amide binding, nucleus ;; HYDROLASE |
| Experimental Method method | X-RAY DIFFRACTION |
This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
| Rg（Guinier） | 37.20 Å |
| Rg (electron density) | 36.98 Å |
| Total Rg | 37.48 Å |
| Atom count | 8814 |
| Residues | 1126 |
| Excluded volume | 158210 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d3apna1 |
| Class class | b — All beta proteins |
| Fold Fold fold | b.6 — Cupredoxin-like |
| Superfamily Superfamily superfamily | b.6.1 — Cupredoxins |
| Family Family family | b.6.1.6 — Peptidylarginine deiminase Pad4, N-terminal domain |
| Domain ID domain_id | d3apna2 |
| Class class | b — All beta proteins |
| Fold Fold fold | b.2 — Common fold of diphtheria toxin/transcription factors/cytochrome f |
| Superfamily Superfamily superfamily | b.2.9 — Peptidylarginine deiminase Pad4, middle domain |
| Family Family family | b.2.9.1 — Peptidylarginine deiminase Pad4, middle domain |
| Domain ID domain_id | d3apna3 |
| Class class | d — Alpha and beta proteins (a+b) |
| Fold Fold fold | d.126 — Pentein, beta/alpha-propeller |
| Superfamily Superfamily superfamily | d.126.1 — Pentein |
| Family Family family | d.126.1.5 — Peptidylarginine deiminase Pad4, catalytic C-terminal domain |
| Domain ID domain_id | 3apnA01 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 60 — Sandwich |
| Topology topology | 40 — Immunoglobulin-like |
| Homologous superfamily homologous superfamily | 1860 — Protein-arginine deiminase, N-terminal domain |
| Domain ID domain_id | 3apnA02 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 60 — Sandwich |
| Topology topology | 40 — Immunoglobulin-like |
| Homologous superfamily homologous superfamily | 1700 — Protein-arginine deiminase, central domain |
| Domain ID domain_id | 3apnA03 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 75 — 5-stranded Propeller |
| Topology topology | 10 — L-arginine/glycine Amidinotransferase; Chain A |
| Homologous superfamily homologous superfamily | 10 — L-arginine/glycine Amidinotransferase; Chain A |