MolNFT v1 · #31801 · protein

The 1.8 a crystal structure of a proteinase K like enzyme from a psychrotroph serratia species

2B6N: “The 1.8 a crystal structure of a proteinase K like enzyme from a psychrotroph serratia species”. X-ray diffraction, 2 ligands (CA, SO4), 1 pocket (best druggability 0.45). MolNFT v1 #31801 on GenesisL1: 3D structure, binding sites…

PDB: 2B6N
Type: protein
Length: 281 residues
Chains: 2
Method: x-ray diffraction
Collection: MolNFT v1 / PDB
Contract: 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner: 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule: Proteinase K; Tripeptide
EC: 3.4.21.-
UniProt: Q3HUQ2
Ligands: CA, SO4
Pockets: 1 · best druggability 0.45

Structure

x-ray diffraction · 2 distinct chains · 27% helix, 23% strand (DSSP).

Chain	Molecule	Type	Residues	Secondary structure	UniProt
A	Proteinase K (EC 3.4.21.-)	protein	278	28% helix, 24% strand	Q3HUQ2
B	Tripeptide	protein	3	0% helix, 0% strand	—

Ligands and binding sites

CA · Calcium ion · metal · chains A
SO4 · Sulfate ion · ion · 2 copies · chains A

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

1 pocket found on a 1 Å grid, 0 with a druggability of 0.5 or more.

Pocket	Volume (Å³)	Druggability	Buriedness	Lining residues	Inside
1	132	0.45	0.77	31	empty

Interfaces

1 interface between chains.

A–B · 181 Å² buried · 6 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 2 disulfide (disulfide).

Compared structures

2B6N · The 1.8 A crystal structure of a Proteinase K like enzyme from a psychrotroph Serratia… · the same entry in another collection · chain A against A, TM-score 1.00

Analyse

Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
Every structure of UniProt Q3HUQ2
Elsewhere: RCSB PDB 2B6N · PDBe 2B6N · UniProt Q3HUQ2

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