Structure of PDB 5i43 Chain C

Receptor sequence

>5i43C (length=158) Species: 9606 (Homo sapiens)

GPVWRKHYITYRINNYTPDMNREDVDYAIRKAFQVWSNVTPLKFSKINTG
MADILVVFARGAHGDDHAFDGKGGILAHAFGPGSGIGGDAHFDEDEFWTT
HSGGTNLFLTAVHQIGHSLGLGHSSDPKAVMFPTYKYVDINTFRLSADDI
RGIQSLYG

3D structure

• PDB: 5i43 Sugar-Based Arylsulfonamide Carboxylates as Selective and Water-Soluble Matrix Metalloproteinase-12 Inhibitors.
• Chain: C
• Resolution: 1.95 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): H218 Q219 H222 H228
• Catalytic site (residue number reindexed from 1): H113 Q114 H117 H123
• Enzyme Commision number: 3.4.24.65: macrophage elastase.

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	67M	C	G179 I180 A182 H183 L214 T215 H218 Q219 H222 H228 P238 Y240	G74 I75 A77 H78 L109 T110 H113 Q114 H117 H123 P133 Y135
BS02	ZN	C	H218 H222 H228	H113 H117 H123
BS03	ZN	C	H168 D170 H183 H196	H63 D65 H78 H91
BS04	CA	C	D158 G190 G192 D194	D53 G85 G87 D89
BS05	CA	C	D124 E199 E201	D19 E94 E96
BS06	CA	C	D175 G176 G178 I180 D198 E201	D70 G71 G73 I75 D93 E96

Gene Ontology

Molecular Function

• GO:0004222 metalloendopeptidase activity
• GO:0008237 metallopeptidase activity
• GO:0008270 zinc ion binding

Biological Process

• GO:0006508 proteolysis

Cellular Component

• GO:0031012 extracellular matrix

External links

• PDB: RCSB:5i43, PDBe:5i43, PDBj:5i43
• PDBsum: 5i43
• PubMed: 27356908
• UniProt: P39900|MMP12_HUMAN Macrophage metalloelastase (Gene Name=MMP12)