Structure based on 1kvl

Ideal structure
Name: cephalothin
Formula: C16 H16 N2 O6 S2
Weight: 396.438
SMILES: "CC(=O)OCC1=C(N2[CH](SC1)[CH](NC(=O)Cc3sccc3)C2=O)C(O)=O"
Spacial conformation based on PDB 1kvl.
Also present on 2zq9, 4kox
RESIDUE   CLS     42
CONECT      S1     2 C2   C6  
CONECT      C2     4 S1   C3   H21  H22 
CONECT      C3     3 C2   C3'  C4  
CONECT      C3'    4 C3   O20  H3'1 H3'2
CONECT      O20    2 C3'  C21 
CONECT      C21    3 O20  O22  C23 
CONECT      O22    1 C21 
CONECT      C23    4 C21  H231 H232 H233
CONECT      C4     3 C3   C4'  N5  
CONECT      C4'    3 C4   O4A  O4B 
CONECT      O4A    2 C4'  HO4 
CONECT      O4B    1 C4' 
CONECT      N5     3 C4   C6   C8  
CONECT      C6     4 S1   N5   C7   H6  
CONECT      C7     4 C6   C8   N10  H7  
CONECT      C8     3 N5   C7   O9  
CONECT      O9     1 C8  
CONECT      N10    3 C7   C11  H10 
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      H231   1 C23 
CONECT      H232   1 C23 
CONECT      H233   1 C23 
CONECT      HO4    1 O4A 
CONECT      H6     1 C6  
CONECT      H7     1 C7  
CONECT      H10    1 N10 
CONECT      H131   1 C13 
CONECT      H132   1 C13 
CONECT      H15    1 C15 
CONECT      H16    1 C16 
CONECT      H17    1 C17 
END   
HET    CLS             42
HETSYN     CLS 3-ACETOXYMETHYL-8-OXO-7-(2-THIOPHEN-2-YL-ACETYLAMINO)-5
HETSYN   2 CLS -THIA-1-AZA-BICYCLO[4.2.0]OCT-2-ENE-2-CARBOXYLIC ACID
HETNAM     CLS CEPHALOTHIN
FORMUL      CLS    C16 H16 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