Structure based on ?

Ideal structure
Name: (2r,4r)-4-aminopyrrolidine-2,4-dicarboxylic acid
Formula: C6 H10 N2 O4
Weight: 174.155
SMILES: "N[C]1(CN[CH](C1)C(O)=O)C(O)=O"
Spacial conformation based on PDB ?.
Also present on 2e4y
RESIDUE   52A     22
CONECT      N      3 CA   HN1  HN2 
CONECT      CA     4 N    C    CB1  CB2 
CONECT      C      3 CA   O    OXT 
CONECT      O      1 C   
CONECT      OXT    2 C    HOXT
CONECT      CB1    4 CA   CG1  HB11 HB12
CONECT      CB2    4 CA   NG2  HB21 HB22
CONECT      CG1    4 CB1  NG2  CD   HG1 
CONECT      NG2    3 CB2  CG1  HNG2
CONECT      CD     3 CG1  OE1  OE2 
CONECT      OE1    1 CD  
CONECT      OE2    2 CD   HOE2
CONECT      HN1    1 N   
CONECT      HN2    1 N   
CONECT      HOXT   1 OXT 
CONECT      HB11   1 CB1 
CONECT      HB12   1 CB1 
CONECT      HB21   1 CB2 
CONECT      HB22   1 CB2 
CONECT      HG1    1 CG1 
CONECT      HNG2   1 NG2 
CONECT      HOE2   1 OE2 
END   
HET    52A             22
HETSYN     52A 2R,4R-APDC
HETNAM     52A (2R,4R)-4-aminopyrrolidine-2,4-dicarboxylic acid
FORMUL      52A    C6 H10 N2 O4

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