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5B25

Crystal structure of human PDE1B with inhibitor 3

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1Bpolymer33838574.24UniProt (Q01064)
Pfam (PF00233)
Homo sapiens (Human)Cam-PDE 1B
2BA, E, L, T
(D, A, B, C)
ZINC IONnon-polymer65.44Chemie (ZN)
3CA, F, M, U
(D, A, B, C)
MAGNESIUM IONnon-polymer24.34Chemie (MG)
4DA, G, N, V
(D, A, B, C)
(11R,15S)-4-{[4-(6-fluoropyridin-2-yl)phenyl]methyl}-8-methyl-5-(phenylamino)-1,3,4,8,10-pentaazatetracyclo[7.6.0.02,6.011,15]pentadeca-2,5,9-trien-7-onenon-polymer507.64Chemie (4QJ)
5EA, FA, GA, H, I...
(D, A, B, C)
SULFATE IONnon-polymer96.110Chemie (SO4)
6AA, HA, J, K, Q...
(C, D, A, B)
GLYCEROLnon-polymer92.18Chemie (GOL)
7IA, JA, KA, LA
(A, B, C, D)
waterwater18.0911Chemie (HOH)
Sequence modifications
A, B, C, D: 146 - 506 (UniProt: Q01064)
PDBExternal DatabaseDetails
-Asp 449deletion
-Glu 450deletion
-Asp 451deletion
-Ser 452deletion
-Lys 453deletion
-Ser 454deletion
-Lys 455deletion
-Asn 456deletion
-Gln 457deletion
-Pro 458deletion
-Ser 459deletion
-Phe 460deletion
-Gln 461deletion
-Trp 462deletion
-Arg 463deletion
-Gln 464deletion
-Pro 465deletion
-Ser 466deletion
-Leu 467deletion
-Asp 468deletion
-Val 469deletion
-Glu 470deletion
-Val 471deletion
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight154296.7
Non-Polymers*Number of molecules30
Total formula weight4086.5
All*Total formula weight158383.1
*Water molecules are not included.

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PDB entries from 2025-12-17

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