Structure based on ?

Ideal structure
Name: (4s)-2-methyl-1,4,5,6-tetrahydropyrimidine-4-carboxylic acid
Formula: C6 H10 N2 O2
Weight: 142.156
SMILES: "CC1=N[CH](CCN1)C(O)=O"
Spacial conformation based on PDB ?.
Also present in other 7 PDB entries.
RESIDUE   4CS     20
CONECT      O      1 C   
CONECT      C      3 O    OXT  CA  
CONECT      OXT    2 C    HOXT
CONECT      CA     4 C    CB   N    HA  
CONECT      CB     4 CA   CAD  HB1  HB2 
CONECT      CAD    4 CB   NAG  HAD1 HAD2
CONECT      NAG    3 CAD  CAI  HNAG
CONECT      CAI    3 NAG  CAA  N   
CONECT      CAA    4 CAI  HAA1 HAA2 HAA3
CONECT      N      2 CA   CAI 
CONECT      HOXT   1 OXT 
CONECT      HA     1 CA  
CONECT      HB1    1 CB  
CONECT      HB2    1 CB  
CONECT      HAD1   1 CAD 
CONECT      HAD2   1 CAD 
CONECT      HNAG   1 NAG 
CONECT      HAA1   1 CAA 
CONECT      HAA2   1 CAA 
CONECT      HAA3   1 CAA 
END   
HET    4CS             20
HETSYN     4CS ECTOINE
HETNAM     4CS (4S)-2-METHYL-1,4,5,6-TETRAHYDROPYRIMIDINE-4-CARBOXYLIC
HETNAM   2 4CS  ACID
FORMUL      4CS    C6 H10 N2 O2

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