PDB:1W5D	CRYSTAL STRUCTURE OF PBP4A FROM BACILLUS SUBTILIS            	MOL_ID: 1;                                                     MOLECULE: PENICILLIN-BINDING PROTEIN;                         CHAIN: A;                                                     EC: 3.4.16.4                                                	MOL_ID: 1;                                                     ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS;                       ORGANISM_TAXID: 1423                                        	PENICILLIN-BINDING PROTEIN, D-ALA-D-ALA-CARBOXYPEPTIDASE,      PEPTIDOGLYCAN, BACILLUS SUBTILIS, BETA-LACTAM, HYDROLASE,     PEPTIDOGLYCAN SYNTHESIS                                     	E.SAUVAGE,R.HERMAN,S.PETRELLA,C.DUEZ,J.M.FRERE,P.CHARLIER