1C3I: Human stromelysin-1 catalytic domain

Human stromelysin-1 catalytic domain complexed with ro-26-2812. Determined by X-ray diffraction at 1.83 Å resolution. Released 26 Jul 2000.

Method
X-ray diffraction
Resolution
1.83 Å
Organism
Homo sapiens
Chains
2
Atoms
2,983
Mol. weight
39.79 kDa
Ligands
ZN, CA, TR1
Released
26 Jul 2000

Explore 1C3I in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1C3I contains 8 α-helices and 20 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 5 helices, 10 β-strands

ElementResiduesLengthSheet
β-strand84-8521
β-strand96-10162
β-strand10413
α-helix110-12516
β-strand131-13442
β-strand142-14762
β-strand165-16732
α-helix168-1692
β-strand178-18142
β-strand186-18724
β-strand193-19424
α-helix195-20612
β-strand209-21021
α-helix223-2264
α-helix236-24611
Chain B: 3 helices, 10 β-strands
ElementResiduesLengthSheet
β-strand8515
β-strand96-10166
β-strand10413
α-helix110-12617
β-strand131-13446
β-strand142-14766
β-strand165-16736
β-strand178-18146
β-strand186-18727
β-strand193-19427
α-helix195-20612
β-strand20915
α-helix236-24611

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Stromelysin-1A, Bprotein173Homo sapiensP08254 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>1C3I_1 STROMELYSIN-1 (chains A, B)
FRTFPGIPKWRKTHLTYRIVNYTPDLPKDAVDSAVEKALKVWEEVTPLTFSRLYEGEADI
MISFAVREHGDFYPFDGPGNVLAHAYAPGPGINGDAHFDDDEQWTKDTTGTNLFLVAAHE
IGHSLGLFHSANTEALMYPLYHSLTDLTRFRLSQDDINGIQSLYGPPPDSPET

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn4
CACalcium ionCa6
TR12-(2-{2-[(biphenyl-4-ylmethyl)-amino]-3-mercapto-pentanoylamino}-acetylamino)-3…C24 H31 N3 O4 S1

Primary citation

Expression, characterization and structure determination of an active site mutant (Glu202-Gln) of mini-stromelysin-1. Steele, D.L., El-Kabbani, O., Dunten, P. et al. Protein Eng (2000) 13:397-405. DOI 10.1093/protein/13.6.397 · PubMed

Other PDB entries of the same protein (UniProt P08254 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 1C3I directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.