Structure of PDB 4auo Chain A

Receptor sequence

>4auoA (length=367) Species: 9606 (Homo sapiens)

FVLTEGNPRWEQTHLTYRIENYTPDLPRADVDHAIEKAFQLWSNVTPLTF
TKVSEGQADIMISFVRGDHRDNSPFDGPGGNLAHAFQPGPGIGGDAHFDE
DERWTNNFREYNLHRVAAHALGHSLGLSHSTDIGALMYPSYTFSGDVQLA
QDDIDGIQAIYGRSQNPVQPIGPQTPKACDSKLTFDAITTIRGEVMFFKD
RFYMRTNPFYPEVELNFISVFWPQLPNGLEAAYEFADRDEVRFFKGNKYW
AVQGQNVLHGYPKDIYSSFGFPRTVKHIDAALSEENTGKTYFFVANKYWR
YDEYKRSMDPGYPKMIAHDFPGIGHKVDAVFMKDGFFYFFHGTRQYKFDP
KTKRILTLQKANSWFNC

3D structure

• PDB: 4auo Structural Insights Into Triple-Helical Collagen Cleavage by Matrix Metalloproteinase 1
• Chain: A
• Resolution: 3.0 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): H199 A200 H203 H209
• Catalytic site (residue number reindexed from 1): H119 A120 H123 H129
• Enzyme Commision number: 3.4.24.7: interstitial collagenase.

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	CA	A	R146 E180	R66 E100
BS02	CA	A	D266 E310 D359 D408	D186 E230 D279 D328
BS03	CA	A	D139 I140 M141 G171 G173 D175	D59 I60 M61 G91 G93 D95
BS04	CA	A	D156 G157 G159 N161 D179 E182	D76 G77 G79 N81 D99 E102
BS05	ZN	A	H149 D151 H164 H177	H69 D71 H84 H97
BS06	ZN	A	H199 H203 H209	H119 H123 H129

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:4auo, PDBe:4auo, PDBj:4auo
• PDBsum: 4auo
• PubMed: 22761315
• UniProt: P03956|MMP1_HUMAN Interstitial collagenase (Gene Name=MMP1)