Structure based on 1kvl

Ideal structure
Name: 2-[carboxy-(2-thiophen-2-yl-acetylamino)-methyl]-5-methylene-5,6-dihydro-2h-[1,3]thiazine-4-carboxylic acid
Formula: C14 H14 N2 O5 S2
Weight: 354.401
SMILES: "OC(=O)[CH](NC(=O)Cc1sccc1)C2=N[CH](C(O)=O)C(=C)CS2"
Spacial conformation based on PDB 1kvl
RESIDUE   THN     37
CONECT      S1     2 C2   C6  
CONECT      C2     4 S1   C3   H21  H22 
CONECT      C3     3 C2   C3'  C4  
CONECT      C3'    3 C3   H3'1 H3'2
CONECT      C4     4 C3   C4'  N5   H4  
CONECT      C4'    3 C4   O4A  O4B 
CONECT      O4A    2 C4'  HO4 
CONECT      O4B    1 C4' 
CONECT      N5     2 C4   C6  
CONECT      C6     3 S1   N5   C7  
CONECT      C7     4 C6   C8   N10  H7  
CONECT      C8     3 C7   O9A  O9B 
CONECT      O9A    1 C8  
CONECT      O9B    2 C8   HO9 
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      H4     1 C4  
CONECT      HO4    1 O4A 
CONECT      H7     1 C7  
CONECT      HO9    1 O9B 
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    THN             37
HETSYN     THN HYDROLYZED CEPHALOTHIN
HETNAM     THN 2-[CARBOXY-(2-THIOPHEN-2-YL-ACETYLAMINO)-METHYL]-5-METH
HETNAM   2 THN YLENE-5,6-DIHYDRO-2H-[1,3]THIAZINE-4-CARBOXYLIC ACID
FORMUL      THN    C14 H14 N2 O5 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