Dipeptidyl peptidase
From Proteopedia
Dipeptidyl peptidase (DPP) is an enzyme which cleaves dipeptides from plolypeptides. DPP-IV (or CD26) cleaves proline dipeptides from the N-termini and is associated with immune regulation. DPP-III acts similarly to DPP-IV. DPP-I is involved in inflammatory diseases. DPP-II is a serine protease. The images at the left and at the right correspond to one representative DPP, i.e. the crystal structure of Dipeptidyl peptidase-I from rat (1jqp). See also Dipeptidyl Peptidase-4 Inbhibitor Pharmacokinetics.
3D Structures of Dipeptidyl peptidase
Update November 2011
DPP-I
1jqp – rDPP-I – rat
3pdf – hDPP-I + inhibitor - human
DPP-II
3n0t – hDPP-II peptidase domain residues 28-492+inhibitor
3jyh – hDPP-II peptidase domain residues 28-492
DPP-III
3fvy – hDPP-III
3csk – DPP-III (mutant) – yeast
DPP-IV
2onc, 1tk3, 1r9m, 1j2e, 1nu6, 1pfq – hDPP-IV extracellular domain
1u8e – hDPP-IV extracellular domain (mutant)
3kwj, 3oc0, 3kwf, 3q8w – hDPP-IV extracellular domain +quinoline derivative
3g0b, 3g0d, 3g0g, 3nox, 3hab, 3hac, 3f8s, 3h0c, 3ccb, 3ccc, 2qjr, 2qky, 3d4l, 2jid, 3bjm, 2rip, 2ole, 2rgu, 2i78, 2oag, 2oqv, 2oqi, 2ogz, 2i03, 2g5p, 2g5t, 2g63, 2bub, 2ajl, 1wcy, 1rwq, 1tkr, 1n1m, 3eio, 3g0c, 3opm, 3sww, 3sx4 – hDPP-IV extracellular domain+inhibitor
1r9n, 2bgr, 1nu8 – hDPP-IV extracellular domain+polypeptide
1w1i – hDPP-IV extracellular domain+adenosine deaminase
2bgn – hDPP-IV extracellular domain+adenosine deaminase+polypeptide
3c43, 3c45, 2qoe, 2qt9, 2qtb, 2p8s, 2oph, 2fjp, 1x70, 2iit, 2iiv – hDPP-IV extracellular domain (mutant)+inhibitor
3o95, 3o9v - hDPP-IV + inhibitor
2gbc – rDPP-IV extracellular domain
2oae, 2i3z, 2gbf, 2gbg, 2gbi – rDPP-IV extracellular domain+inhibitor
2aj8, 2ajb, 2ajc, 2ajd, 2bua, 2buc, 1orw – pDPP-IV extracellular domain+inhibitor - pig
1orv - pDPP-IV extracellular domain
2ecf - DPP-IV – Stenotrophomonas maltophilia
