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3HD1

Crystal structure of E. coli HPPK(N10A) in complex with MgAMPCPP

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinasepolymer15817923.51UniProt (P26281)
Pfam (PF01288)
Escherichia coli K-127,8-dihydro-6-hydroxymethylpterin-pyrophosphokinase, HPPK, 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, PPPK
2B, C
(A)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
3D
(A)
DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTERnon-polymer505.21Chemie (APC)
4E
(A)
CHLORIDE IONnon-polymer35.51Chemie (CL)
5F
(A)
ACETATE IONnon-polymer59.01Chemie (ACT)
6G
(A)
waterwater18.0287Chemie (HOH)
Sequence modifications
A: 1 - 158 (UniProt: P26281)
PDBExternal DatabaseDetails
Ala 10Asn 11engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight17923.5
Non-Polymers*Number of molecules5
Total formula weight648.3
All*Total formula weight18571.8
*Water molecules are not included.

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PDB entries from 2025-07-23

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