8G9P

Tricomplex of RMC-4998, KRAS G12C, and CypA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	GTPase KRas	polymer	170	19404.9	2	UniProt (P01116) Pfam (PF00071) In PDB	Homo sapiens (human)	K-Ras 2,Ki-Ras,c-K-ras,c-Ki-ras
2	C, D	Peptidyl-prolyl cis-trans isomerase A	polymer	166	18123.6	2	UniProt (P62937) Pfam (PF00160) In PDB	Homo sapiens (human)	PPIase A,Cyclophilin A,Cyclosporin A-binding protein,Rotamase A
3	A, B	PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER	non-polymer		522.2	2	Chemie (GNP)
4	A, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
5	A, B	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
6	C, D	(2S)-2-{(5S)-7-[(2E)-4-(dimethylamino)-4-methylpent-2-enoyl]-1-oxo-2,7-diazaspiro[4.4]nonan-2-yl}-N-[(1P,8S,10R,14S,21M)-22-ethyl-21-{2-[(1S)-1-methoxyethyl]pyridin-3-yl}-18,18-dimethyl-9,15-dioxo-16-oxa-10,22,28-triazapentacyclo[18.5.2.1~2,6~.1~10,14~.0~23,27~]nonacosa-1(25),2(29),3,5,20,23,26-heptaen-8-yl]-3-methylbutanamide (non-preferred name)	non-polymer		985.3	2	Chemie (YV2)
7		water	water		18.0	999	Chemie (HOH)

Sequence modifications

A, B: 1 - 169 (UniProt: P01116)

PDB	External Database	Details
Ser 0	-	expression tag
Cys 12	Gly 12	engineered mutation

C, D: 1 - 165 (UniProt: P62937)

PDB	External Database	Details
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	75057.0
Non-Polymers*	Number of molecules	8
	Total formula weight	3134.4
All*	Total formula weight	78191.5

*Water molecules are not included.