Current Protein Identity：Q51817
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Difference tags compare only the current result set; every original PDB and assembly record remains separate.
Related-Structure Differences
Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.
| PDB Entry | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Experimental Method | Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 4ITC Crystal Structure Analysis of the K1 Cleaved Adhesin domain of Lys-gingipain (Kgp) from Porphyromonas gingivalis W83 Deposited 2013-01-18 | Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain A
982–1154（173 aa）
Fragment：K1 Cleaved Adhesin Domain, residues 982-1154
|
Not recorded | CA CALCIUM ION × 2 GAI GUANIDINE × 3 GOL GLYCEROL × 2 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 7.6；298 K；40 mM KH2PO4, 20% (v/v) glycerol, 16% (w/v) PEG 8000, 1 M guanidine hydrochloride, pH 7.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K
|
Resolution 1.55 Å R-free 0.181 |
| 4RBM Porphyromonas gingivalis gingipain K (Kgp) catalytic and immunoglobulin superfamily-like domains Deposited 2014-09-12 | Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain A
229–683（455 aa）
Fragment：UNP residues 229-683
|
Not recorded | CA CALCIUM ION × 2 NA SODIUM ION × 3 NI NICKEL (II) ION × 1 HIS HISTIDINE × 1 ACT ACETATE ION × 2 AZI AZIDE ION × 3 GOL GLYCEROL × 4 CKC (3S)-3,7-diaminoheptan-2-one × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；The best crystals were obtained at 20C with protein solution (at 5.7mg/mL in 5mM Tris HCl, pH 7.4, 0.02% sodium azide) and 22% polyethylene glycol 8000, 0.1M sodium cacodylate, pH 6.5, 0.2M calcium acetate as reservoir solution from 2:1 uL drops, VAPOR DIFFUSION, SITTING DROP, temperature 293K
|
Resolution 1.75 Å R-free 0.172 |
| 4TKX Structure of Protease Deposited 2014-05-28 | Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain L
229–680（452 aa）
Fragment：Catalytic domain
|
Not recorded | SO4 SULFATE ION × 4 NA SODIUM ION × 2 K POTASSIUM ION × 1 ACT ACETATE ION × 1 EDO 1,2-ETHANEDIOL × 10 PB LEAD (II) ION × 1 TCK N-[(1S)-5-amino-1-(chloroacetyl)pentyl]-4-methylbenzenesulfonamide × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；294 K；PEG 4000, Sodium Acetate, Ammonium Sulphate
|
Resolution 1.60 Å R-free 0.145 |
| 5MUN Structural insight into zymogenic latency of gingipain K from Porphyromonas gingivalis. Deposited 2017-01-13 | Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
20–228（209 aa）
Fragment：UNP residues 20-228
Chain B
20–228（209 aa）
Fragment：UNP residues 20-228
|
Not recorded | AZI AZIDE ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 5.5；293.15 K；14 % polyvinylpyrrolidone K15
0.1 M Bis-Tris, pH 5.5
|
Resolution 1.80 Å R-free 0.240 |
| 6I9A Porphyromonas gingivalis gingipain K (Kgp) in complex with inhibitor KYT-36 Deposited 2018-11-22 | Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain A
229–683（455 aa）
|
Not recorded | UNX UNKNOWN LIGAND × 2 NA SODIUM ION × 2 CA CALCIUM ION × 2 H8E benzyl-N-[(2S)-1-[[(3S)-7-amino-1-(benzylamino)-1,2-dioxoheptan-3-yl]amino]-5-(2-methyl-2-phenylhydrazinyl)-1,5-dioxopentan-2-yl]carbamate × 1 EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 GOL GLYCEROL × 3 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；20% PEG 8000, 0.1 M HEPES, pH 7.5
|
Resolution 1.20 Å R-free 0.148 |
| 6I9A Porphyromonas gingivalis gingipain K (Kgp) in complex with inhibitor KYT-36 Deposited 2018-11-22 | Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain B
229–683（455 aa）
|
Not recorded | UNX UNKNOWN LIGAND × 2 NA SODIUM ION × 2 CA CALCIUM ION × 2 H8E benzyl-N-[(2S)-1-[[(3S)-7-amino-1-(benzylamino)-1,2-dioxoheptan-3-yl]amino]-5-(2-methyl-2-phenylhydrazinyl)-1,5-dioxopentan-2-yl]carbamate × 1 EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 GOL GLYCEROL × 3 DTV (2S,3S)-1,4-DIMERCAPTOBUTANE-2,3-DIOL × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；20% PEG 8000, 0.1 M HEPES, pH 7.5
|
Resolution 1.20 Å R-free 0.148 |