8TLC: Serine hydroxymethyltransferase, mitochondrial

Name: PDB 8TLC: Human mitochondrial serine hydroxymethyltransferase (SHMT2) in complex with PLP, glycine and tri-glutamate AGF347 inhibitor
Published: 2024-02-21
License: https://creativecommons.org/publicdomain/zero/1.0/
Keywords: transferase

Human mitochondrial serine hydroxymethyltransferase (SHMT2) in complex with PLP, glycine and tri-glutamate AGF347 inhibitor. Determined by X-ray diffraction at 2.72 Å resolution. Released 21 Feb 2024.

Method: X-ray diffraction
Resolution: 2.72 Å
Organism: Homo sapiens
Chains: 2
Atoms: 7,003
Mol. weight: 110.4 kDa
Ligands: I6I
Released: 21 Feb 2024

Explore 8TLC in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8TLC contains 47 α-helices and 35 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 24 helices, 19 β-strands

Element	Residues	Length	Sheet
α-helix	49-52	4
α-helix	54-69	16
β-strand	71-72	2	1
α-helix	82-88	7
α-helix	91-94	4
α-helix	110-126	17
β-strand	134-137	4	2
α-helix	143-154	12
β-strand	160-164	5	2
α-helix	166-168	3
β-strand	177	1	3
β-strand	182	1	3
α-helix	185-188	4
β-strand	191-195	5	2
β-strand	197	1	4
β-strand	204	1	4
α-helix	207-214	8
β-strand	220-224	5	2
α-helix	234-243	10
β-strand	247-251	5	2
α-helix	252-254	3
α-helix	256-260	5
β-strand	273-277	5	2
α-helix	280-282	3
β-strand	288-293	6	2
α-helix	305-307	3
α-helix	311-317	7
α-helix	318-323	6
α-helix	329-341	13
α-helix	345-367	23
β-strand	371-372	2	5
β-strand	381-382	2	6
β-strand	384-385	2	5
α-helix	387-389	3
α-helix	393-403	11
β-strand	405-406	2	1
β-strand	409-410	2	5
β-strand	423-424	2	5
β-strand	426-427	2	6
α-helix	429-432	4
α-helix	438-461	24
α-helix	468-474	7
α-helix	478-493	16

Chain B: 23 helices, 16 β-strands

Element	Residues	Length	Sheet
α-helix	49-52	4
α-helix	54-69	16
β-strand	74	1	7
α-helix	82-88	7
α-helix	91-94	4
α-helix	110-126	17
β-strand	134-137	4	8
α-helix	143-154	12
β-strand	161-164	4	8
α-helix	166-168	3
α-helix	172-174	3
β-strand	177	1	9
β-strand	182	1	9
α-helix	185-188	4
β-strand	192-195	4	8
α-helix	207-214	8
β-strand	220-224	5	8
α-helix	234-243	10
β-strand	247-251	5	8
α-helix	252-254	3
α-helix	256-260	5
β-strand	274-277	4	8
β-strand	288-293	6	8
β-strand	296	1	10
β-strand	308	1	10
α-helix	313-317	5
α-helix	318-323	6
α-helix	329-341	13
α-helix	345-367	23
β-strand	371-372	2	7
β-strand	381-385	5	7
α-helix	387-389	3
α-helix	398-401	4
β-strand	409-410	2	7
β-strand	423-427	5	7
α-helix	429-432	4
α-helix	443-461	19
α-helix	468-474	7
α-helix	478-493	16

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Serine hydroxymethyltransferase, mitochondrial	A, B	protein	493	Homo sapiens	P34897 (AlphaFold model)

Sequence of entity 1 (A, B), FASTA

>8TLC_1 Serine hydroxymethyltransferase, mitochondrial (chains A, B)
MGSSHHHHHHSSGLVPRSNAAQTQTGEANRGWTGQESLSDSDPEMWELLQREKDRQCRGL
ELIASENFCSRAALEALGSCLNNKYSEGYPGKRYYGGAEVVDEIELLCQRRALEAFDLDP
AQWGVNVQPYSGSPANLAVYTALLQPHDRIMGLDLPDGGHLTHGYMSDVKRISATSIFFE
SMPYKLNPKTGLIDYNQLALTARLFRPRLIIAGTSAYARLIDYARMREVCDEVKAHLLAD
MAHISGLVAAKVIPSPFKHADIVTTTTHKTLRGARSGLIFYRKGVKAVDPKTGREIPYTF
EDRINFAVFPSLQGGPHNHAIAAVAVALKQACTPMFREYSLQVLKNARAMADALLERGYS
LVSGGTDNHLVLVDLRPKGLDGARAERVLELVSITANKNTCPGDRSAITPGGLRLGAPAL
TSRQFREDDFRRVVDFIDEGVNIGLEVKSKTAKLQDFKSFLLKDSETSQRLANLRQRVEQ
FARAFPMPGFDEH

Ligands and cofactors

ID	Name	Formula	Copies
I6I	N-{4-[4-(2-amino-4-oxo-1,4-dihydro-5H-pyrrolo[3,2-d]pyrimidin-5-yl)butyl]-2-flu…	C32 H38 F N7 O12	1

Primary citation

Structural Characterization of 5-Substituted Pyrrolo[3,2- d ]pyrimidine Antifolate Inhibitors in Complex with Human Serine Hydroxymethyl Transferase 2. Katinas, J.M., Nayeen, M.J., Schneider, M. et al. Biochemistry (2024). DOI 10.1021/acs.biochem.3c00613 · PubMed

Other PDB entries of the same protein (UniProt P34897 (AlphaFold model), which also has an AlphaFold model), best resolution first:

8AQL 1.23 Å, High-resolution crystal structure of human SHMT2
29LK 1.26 Å, High-resolution structure of human SHMT2 in complex with PLP-Ser (external aldimine)
9RWD 1.3 Å, High-resolution structure of human SHMT2 with covalently bound PLP (internal aldimine)
32JY 1.8 Å, Structure of the pathogenic variant G423S of Human SHMT2
6DK3 2.04 Å, Human mitochondrial serine hydroxymethyltransferase 2
9BOX 2.1 Å, Room-temperature X-ray structure of human mitochondrial serine hydroxymethyltransferase…
32JA 2.2 Å, Structure of the pathogenic variant T186R of Human SHMT2 in the apo open dimeric…
6QVL 2.28 Å, Human SHMT2 in complex with pemetrexed
6M5O 2.3 Å, Co-crystal structure of human serine hydroxymethyltransferase 2 in complex with…
6QVG 2.32 Å, Human SHMT2 in complex with lometrexol
8GKW 2.38 Å, Human mitochondrial serine hydroxymethyltransferase (SHMT2) in complex with PLP, glycine…
5V7I 2.47 Å, Crystal structure of homo sapiens serine hydroxymethyltransferase 2 (mitochondrial)…

Browse structure collections

About this viewer

MolViewer shows 8TLC directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.