Atom Nomenclature for LAM

The atom nomenclature in PDB data files was revised with the release of data in the PDB Format Version 3.0. These changes make the PDB atom names used by PDB compliant with existing IUPAC nomenclature for standard amino acid and nucleotides (Pure & Appl. Chem., 70, 117-142, 1998) with the exception of the well established convention for C-terminal atoms OXT and HXT. A small number of additional changes were introduced in Version 3 to make atom labeling more conventional. The following chemical diagrams and tables provide the correspondences between atom names used in Version 3 and Version 2 PDB formats.

Labeled Chemical Diagrams

Chemical diagram with format V3 atom labels (heavy atoms)
Chemical diagram with format V3 atom labels (all atoms)
Chemical diagram with format V2 atom labels (heavy atoms)
Chemical diagram with format V2 atom labels (all atoms)

Atom Name Correspondences for LAM

Atom Name (V3) Atom Name (V2)
C1 C1
C2 C2
O2 O2
C3 C3
O3 O3
C4 C4
O4 O4
C5 C5
O5 O5
C6 C6
O6 O6
C1A C1A
C2A C2A
C3A C3A
C4A C4A
C5A C5A
C6A C6A
O1A O1A
O2A O2A
O4A O4A
S3A S3A
O5A O5A
O6A O6A
C1B C1B
C2B C2B
C3B C3B
C4B C4B
C5B C5B
C6B C6B
O1B O1B
O2B O2B
O4B O4B
O5B O5B
O6B O6B
C1' C1'
C2' C2'
C3' C3'
C4' C4'
C5' C5'
C6' C6'
N4' N4'
O'5 O4'1
O'6 O4'2
H11 H11
H21 H21
HO21 HO21
H31 H31
HO31 HO31
H41 H41
HO41 HO41
H51 H51
H61 H61
H62 H62
HO61 HO61
H1A1 H1A1
H2A1 H2A1
H3A1 H3A1
H4A1 H4A1
H5A1 H5A1
H6A1 H6A1
H6A2 H6A2
HA21 HA21
HA41 HA41
HA61 HA61
H1B1 H1B1
H2B1 H2B1
H3B1 H3B1
H4B1 H4B1
H5B1 H5B1
H6B1 H6B1
H6B2 H6B2
HB21 HB21
HB41 HB41
HB61 HB61
H2'1 H2'1
H3'1 H3'1
H5'1 H5'1
H6'1 H6'1