Homo sapiens
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein monomer | Monomer | Protein 1 | ZINC ION × 2 CALCIUM ION × 3 water × 1 | Consistent with protein count |
| UniProt name | MMP9_HUMAN |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–425； UniProt 20–444 |
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 | 1l6j |
| Deposition date deposition_date | 2002-03-11 |
| Structure title title | Crystal structure of human matrix metalloproteinase MMP9 (gelatinase B). |
| Keywords keywords | Twisted beta sheet flanked by helices, HYDROLASE; 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） | 24.57 Å |
| Rg (electron density) | 23.79 Å |
| Total Rg | 24.48 Å |
| Atom count | 3185 |
| Residues | 405 |
| Excluded volume | 55848 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d1l6ja1 |
| Class class | a — All alpha proteins |
| Fold Fold fold | a.20 — PGBD-like |
| Superfamily Superfamily superfamily | a.20.1 — PGBD-like |
| Family Family family | a.20.1.2 — MMP N-terminal domain |
| Domain ID domain_id | d1l6ja2 |
| Class class | d — Alpha and beta proteins (a+b) |
| Fold Fold fold | d.92 — Zincin-like |
| Superfamily Superfamily superfamily | d.92.1 — Metalloproteases ('zincins'), catalytic domain |
| Family Family family | d.92.1.11 — Matrix metalloproteases, catalytic domain |
| Domain ID domain_id | d1l6ja3 |
| Class class | g — Small proteins |
| Fold Fold fold | g.14 — Kringle-like |
| Superfamily Superfamily superfamily | g.14.1 — Kringle-like |
| Family Family family | g.14.1.2 — Fibronectin type II module |
| Domain ID domain_id | d1l6ja4 |
| Class class | g — Small proteins |
| Fold Fold fold | g.14 — Kringle-like |
| Superfamily Superfamily superfamily | g.14.1 — Kringle-like |
| Family Family family | g.14.1.2 — Fibronectin type II module |
| Domain ID domain_id | d1l6ja5 |
| Class class | g — Small proteins |
| Fold Fold fold | g.14 — Kringle-like |
| Superfamily Superfamily superfamily | g.14.1 — Kringle-like |
| Family Family family | g.14.1.2 — Fibronectin type II module |
| Domain ID domain_id | 1l6jA01 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 101 — Muramoyl-pentapeptide Carboxypeptidase; domain 1 |
| Homologous superfamily homologous superfamily | 10 — PGBD-like superfamily/PGBD |
| Domain ID domain_id | 1l6jA02 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| Topology topology | 390 — Collagenase (Catalytic Domain) |
| Homologous superfamily homologous superfamily | 10 — Collagenase (Catalytic Domain) |
| Domain ID domain_id | 1l6jA03 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 10 — Ribbon |
| Topology topology | 10 — Seminal Fluid Protein PDC-109 (Domain B) |
| Homologous superfamily homologous superfamily | 10 — Fibronectin, type II, collagen-binding |
| Domain ID domain_id | 1l6jA04 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 10 — Ribbon |
| Topology topology | 10 — Seminal Fluid Protein PDC-109 (Domain B) |
| Homologous superfamily homologous superfamily | 10 — Fibronectin, type II, collagen-binding |
| Domain ID domain_id | 1l6jA05 |
| Class class | 2 — Mainly Beta |
| Architecture architecture | 10 — Ribbon |
| Topology topology | 10 — Seminal Fluid Protein PDC-109 (Domain B) |
| Homologous superfamily homologous superfamily | 10 — Fibronectin, type II, collagen-binding |