Structure based on 1ceg

Ideal structure
Name: cephalothin group
Formula: C16 H18 N2 O6 S2
Weight: 398.454
SMILES: "COC(=O)CC1=C(N[CH](SC1)[CH](NC(=O)Cc2sccc2)C=O)C(O)=O"
Spacial conformation based on PDB 1ceg.
Also present on 1iyp, 4ivk, 4r0q
RESIDUE   CEP     44
CONECT      S1     2 C2   C6  
CONECT      C2     4 S1   C3   H21  H22 
CONECT      C3     3 C2   C3'  C4  
CONECT      C3'    4 C3   C2'  H3'1 H3'2
CONECT      C2'    3 C3'  O1'  O2' 
CONECT      O1'    1 C2' 
CONECT      O2'    2 C2'  C1' 
CONECT      C1'    4 O2'  H1'1 H1'2 H1'3
CONECT      C4     3 C3   C4'  N5  
CONECT      C4'    3 C4   O4A  O4B 
CONECT      O4A    1 C4' 
CONECT      O4B    2 C4'  HO4 
CONECT      N5     3 C4   C6   HN2 
CONECT      C6     4 S1   N5   C7   H6  
CONECT      C7     4 C6   C8   N10  H7  
CONECT      C8     3 C7   O9   H88 
CONECT      O9     1 C8  
CONECT      N10    3 C7   C11  HN1 
CONECT      C11    3 N10  O12  C13 
CONECT      O12    1 C11 
CONECT      C13    4 C11  C14  H131 H132
CONECT      C14    3 C13  C15  S19 
CONECT      C15    3 C14  C16  H15 
CONECT      C16    3 C15  C17  H16 
CONECT      C17    3 C16  S19  H17 
CONECT      S19    2 C14  C17 
CONECT      H21    1 C2  
CONECT      H22    1 C2  
CONECT      H3'1   1 C3' 
CONECT      H3'2   1 C3' 
CONECT      H1'1   1 C1' 
CONECT      H1'2   1 C1' 
CONECT      H1'3   1 C1' 
CONECT      HO4    1 O4B 
CONECT      H6     1 C6  
CONECT      H7     1 C7  
CONECT      H88    1 C8  
CONECT      HN1    1 N10 
CONECT      H131   1 C13 
CONECT      H132   1 C13 
CONECT      H15    1 C15 
CONECT      H16    1 C16 
CONECT      H17    1 C17 
CONECT      HN2    1 N5  
END   
HET    CEP             44
HETNAM     CEP CEPHALOTHIN GROUP
FORMUL      CEP    C16 H18 N2 O6 S2

This OCA MONOMER page
uses Jmol, developed by the Jmol Development Team (color reference)
OCA© by Jaime Prilusky, 1996-2004,2006,2010,2014
Bioinformatics Unit
Weizmann Institute of Science